Science

PhysicsQ&A Library6. A child grabs the edge of a merry-go-round and runs counterclockwise (looking down on the merry-go-round from above) at a speed of 1.5 m/s around the outside of the merry-go- round. If the diameter of the merry-go-round is 9 m, what are the magnitude and direction of merry-go-round's angular velocity in radians per second? theStart your trial now! First week only $4.99!*arrow_forward*

Question

Tagged in

Science

Physics

Find answers to questions asked by students like you.

Q: A football punter accelerates a football from rest to a speed of 15 m/s during the time in which his...

A: Given:Initial speed of the ball, u = 0 m/sFinal speed of the ball, v = 15 m/sTime of contact, t = 0....

Q: Two 1.3 kg masses and three identical springs having a k value of 85 N/m are connected. What are the...

A: Draw the following diagram representing the 2 masses and 3 spring systems.

Q: 4. Maximum Area You are given a string of fixed length l with one end fastened at the origin O, and ...

A: Click to see the answer

Q: A 4.0-g bullet leaves the muzzle of a rifle with a speed of 324 m/s. What force (assumed constant) i...

A: Given:Initial speed of the bullet = 0Final speed of the bullet = 324 m/sDistance covered by the bull...

Q: A rock is thrown at some angle above the horizontal with a certain velocity. It reaches its highest ...

A: During the projectile motion, at the highest point, vertical component of velocity equals zero. Hori...

Q: . What is the gravitational force of attraction between two electrons held onemeter apart in a vacuu...

A: The magnitude of the gravitational force between two bodies of masses m1 and m2 at a distance r apar...

Q: Please show me how to draw the free body diagram as well.

A: Click to see the answer

Q: Review | Constants A skier is accelerating down a 30.0 ° hill at 1.80 m/s2 What is the vertical comp...

A: The below figure represents a skier accelerating down the hill.

Q: After falling from rest from a height of 25 m, a 0.60-kg ball rebounds upward, reaching a height of ...

A: The velocity of the ball before reaching the ground is,Substitute the values,

Q: (Multiple choice) An electrically charged object creates an electric field. The electric potential d...

A: Given,Electric field due to electric charge.

Q: What energy transformations are involved when a dragster engine is revved, its clutch let out rapidl...

A: When a dragster engine is revved first in the internal combustion engine the chemical energy of the ...

Q: A freight train has a mass of 1.1 ✕ 107 kg. If the locomotive can exert a constant pull of 7.6 ✕ 105...

A: From Newton’s second law of motion.

Q: An ant walks on a piece of graph paper straight along the x axis a distance of 10.0 cm in 2.20s. It ...

A: the total vertical distance travelled is ,

Q: Are my calculations right? I never used sin or theta before.

A: Click to see the answer

Q: Question 22 23

A: From the geometry, the height from which the ball is released is

Q: Newton’s 2nd Law stipulates that “the sum of all forces acting on an object are equal to the mass ti...

A: Given information:The mass of the smiley face (m) = 12.6 kg

Q: A force of 40.0 N is applied in the positive x-direction to a block of mass 7.25 kg, at rest on a fr...

A: Given,

Q: Choose the correct answer (Electric potential) - The electric potential at x =3 m is 120 V, and the ...

A: Magnitude of electric field is,

Q: Imagine you are on an amusement park and on a train ride. At some point the train ride follows a hor...

A: The expression for the centripetal acceleration is

Q: What is the source of the energy emitted in radioactive decay? Identify an earlier conservation law,...

A: Radio active decay is process in which atoms of higher atomic number lose their energy and release i...

Q: An ant walks on a piece of graph paper straight along the x axis a distance of 10.0 cm in 2.20s. It ...

A: total horizontal distance travelled,

Q: Could you kindly solve this and let me know the answer?

A: The expression of the resultant vector is,

Q: Two thin rod of length L are rotating with the same angular speed in (rad/s) about axes that pass pe...

A: Rotational kinetic energy of rod A is,

Q: I need help on that

A: Given values:F = 200 Nm = 30.0 kgthe coefficient of kinetic friction between the crate and the surfa...

Q: A tank has the shape of an inverted circular cone with a height of 10 ft and a base radius of 4 feet...

A: Draw the systematic diagram of the inverted cone. Draw an imaginary ring with thickness delta h, and...

Q: Four forces act on an object, given by A = 49.3 N east, B = 47.3 N north, C = 90.7 N west, and D = 9...

A: The net force on the object along the x-axis can be calculated as,

Q: Number 3. I need also the free body diagram for that.

A: The free body diagram of the car is shown below.

Q:

A: Click to see the answer

Q: You pull downward with a force of 30 N on a rope that passes over a disk-shaped pulley of mass 1.5 k...

A: Tension due to Downward pull:

Q: A 8.1 kg object undergoes an acceleration of 1.8 m/s2. (a) What is the magnitude of the resultant fo...

A: Given,

Q: In the figure provided, a crate of mass m sits at rest on a 20° ramp and is connected to another cra...

A: When the mass is slightly nudged, acceleration is zero.The value of the attached mass is,

Q: 12 Two concurrent forces have a maximum resultant of 45 newtons and a minimum resultant of 5.0 newto...

A: Click to see the answer

Q: 2 One car travels 40. meters due east in 5.0 sec- onds, and a second car travels 64 meters due west ...

A: Click to see the answer

Q: A boat moves through the water with two forces acting on it. One is a 1,800-N forward push by the wa...

A: (a) The acceleration of the 1,400-kg boat will be 0.576 m/s2.

Q: I have written down a y(x,t) for the given values, but I think that I am not supposed to solve for t...

A: dfsgdfgdfg

Q: The drawings shoes two indentical systems of object; each consists of the same three small balls con...

A: Given thatm1=9.5 kgm2=6.0 kgm3 = 7.7 kgThe magnitude of force, F = 497 N

Q: A small cart with low friction wheels is attached to a sturdy wall with a high quality spring that h...

A: The formula for the time period of the oscillation is:

Q: 13 Two forces act concurrently on an object. The magnitude of the resultant will be greatest when th...

A: Let us assume the magnitude of the two forces acting from the same point (concurrent) be equal i.e.

Q: The parachute on a race car of weight 8,850 N opens at the end of a quarter-mile run when the car is...

A: Given,

Q: An 8.6 kg body undergoes an acceleration of 2.7 m/s2. What is the magnitude of the resultant force a...

A: Given,

Q: (multiple choice) Charge Q is distributed uniformly throughout a spherical insulating shell. The net...

A: The net flux on the outer surface of the shell is Q/ε0.

Q: The force exerted by the wind on the sails of a sailboat is 410 N north. The water exerts a force of...

A: Given,

Q: A spherical vase of 12 cm in diameter has an 8 cm long neck connected to hit. The neck has a diamete...

A: Given,The radius of the spherical vase = 6cmLength of the neck =8cmRadius of the neck =2cm

Q: ABook a Flight: Best Join conversation Course Home A-Z Databases Whitworth Library Pirate Port | Pub...

A: Part AFrom the given figure the potential energy is in between the oscillating distance 2mm to 8mm i...

Q: Let V1 = -6.4 i^ + 8.1 j^ and V2 = -4.5 j^ + 4.4 i^. Determine the direction of V2. Express your ans...

A: Let v1 and v2 be the given vectorsWrite the given values of question.

Q: A robotic explorer on Mars deploys a simple pendulum that is one meter long. The explorer determines...

A: Click to see the answer

Q: On the planet Gizmo, the inhabitants travel by high speed trains that run on air tracks much like th...

A: Given information:

Q: An initially 'compressed' spring (x1 = 0.4m) is observed to compress an additional 0.4 m before stop...

A: Given information:Mass of the block (m) = 100 kgVelocity of the block (v) = 26 m/sInitial compressio...

Q: While running, a person dissipates about 0.596 J of mechanical energy per step per kilogram of body ...

A: Power dissipation during the race is 71.0 W. it means that the energy dissipated per second is 71.0 ...

Q: 1 of 1 Previous Answers Request Answer Submit Incorrect; Try Again; 9 attempts remaining Part D Whic...

A: Using the conservation of energy, The spring potential energy = potential energy gained a...