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A 500kg cart is rolling to the right at 3.70m/s . A 70.0kg man is standing on the right end of the cart.
Part A: What is the speed of the cart if the man suddenly starts running to the left with a speed of 8.00 m/s relative to the cart?
You are holding a compass 3.50 m from a long straight electrical supply wire that is carrying a direct current perpendicularly to the local direction of the Earth's magnetic field. find the magnitude of the current carried by the wire
0.160kg of water at 88.0 degrees is poured into an insulated cup containing 0.234kg of ice initally at 0 degrees. Calculate the mass of liquid
A 81.0 skydiver can be modeled as a rectangular "box" with dimensions 18.0x 44.0 x 185. What is his terminal speed if he falls feet first
A box of 10 kg is being pulled across a floor with a tension force of 50 N. Assume the box started from rest and reached a speed of 2 m/s
A circular bird feeder 20 cm in radius has rotational inertia 0.12kg*m^2 . The feeder is suspended by a thin wire and is spinning slowly at 5.4 rpm. What is the rotation rate after the bird lands
A sound wave traveling at 341m/s is emitted by foghorn of a tugboat. An echo is heard 3.30s later.
A converging (lens f=+12cm) in contact with a diverging lens gives a combined focal length of +36 cm, calculate the focal length of the diverging lens
Suppose you are planning a trip in which a spacecraft is to travel at a constant velocity for exactly eleven months, as measured by a clock on board the spacecraft, how fast must you travel
A person with mass mp = 70 kg stands on a spinning platform disk with a radius of R = 2.13 m and mass md = 187 kg. What is the final angular velocity of the disk
A runner, jogging along a straight line path, starts at a position 260 m east of a milestone marker and heads west. After a short time interval he is 120 m west of the mile marker.
in a simple model of the hydrogen atom, the electron moves in a circular orbit of radius 0.053 nm around a stationary proton. How many revolutions per second does the electron make
A car accelerates uniformly from rest and covers a distance of 71 m in 5.6 s. If the diameter of a tire is 42 cm, 1.) Find the angular acceleration of the wheel.
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