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Q1. Consider a too-small space station that consists of a 3.8 m radius rotating sphere. A man standing inside is 1.9 m tall and his feet are at 1 g. What is the acceleration of his head?
Q2. The magnitude of vector is 35.9 units and points in the direction 374° counter clockwise from the positive x-axis. Compute the x-component of this vector.
Q3. A car travelling at 25.0 m/s runs out of gas while travelling up a 33.0 degree slope. How far up the hill would it coast before starting to roll back down?
A projectile is ?red into the air from ground level over level ground. The initial speed of the projectile is 30 m/s, Where does the center of mass of the projectile land
A boy tosses a ball in the vertical direction off the side of a cliff. if the initial velcoity of the ball is 15 m/s upward, determine the maximum height sb reached by the ball
A plumb bob is suspended from a point in the Northern hemisphere at a latitude of 45o. Find the angle this plumb bob makes
A 1.5 kg crate falls from a height of 2.0 m onto a spring scale where the spring constant is 1.5 ´ 105 N/m. when you calculate the gravitational potential energy
What is the speed and momentum of a proton with kinetic energy 500 MeV, What is the de Broglie wavelengeth of the proton
A model rocket is fired vertically from rest. It has a net acceleration of 15.0 m/s2. After 1.1 s, its fuel is exhausted and its only acceleration is that due to gravity. how high does the rocket travel
The wheel of a car has a radius of 20cm. It initially rotates at 120rpm. In the next minute it makes 90 revolutions. How much farther does the car travel before coming to rest
A wooden raft has a mass of 59 kg. When empty it floats in water (density 1000 kg/m3) with 59 percent of its volume submerged. What mass of sand can be put on raft without it sinking.
A 100-turn, 4.0-cm-diameter coil is at rest in a horizontal plane. What is the induced emf in the coil
A tire is filled with air at 15 oC to a gauge pressure of 220 kPa. If the tire reaches a temperature of 38 oC, How much energy do you need to boil off 2 kg block of ice
In a fluorescent tube of diameter 3 cm, 3 times 1018 electrons and 0.75 times 1018 positive ions (with a charge of +e) flow through a cross-sectional area each second
A large block of copper initially at 20.0oC is placed in vat of hot water (80.0oC). For the first 1.0 J of heat that flows from the water into the block, find the entropy change of the block
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