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A motorcycle daredevil is attempting to jump across as many busesas possible (see the drawing). The takeoff ramp makes an angleθ = 17.0° above the horizontal, and the landing ramp isidentical to the takeoff ramp. The buses are parked side by side,and each bus is 2.74 m wide. The cyclist leaves the ramp with aspeed of v = 31.5 m/s. What is the maximum number of buses over which the cyclist can jump?
A race car starting from rest accelerates at a constant rate of 6.50 m/s2. What is the velocity of the car
A net force of 7 newtons acts on an object that weighs 49 newtons. What is the resulting acceleration
A 1055-kg van, stopped at a traffic light, is hit directly in the rear by a 670-kg car traveling with a velocity of +2.35 m/s. What is the final velocity of each vehicle
A runner with the weight of 686.7 N accelerates at a constant rate from 0 to 45 m/s in the first 2 seconds of a 100 m sprint. What is the net force
q1. a woman rides a carnival ferris wheel at radius 13 m completing 4.0 turns about its horizontal axis every minute.
A rotating cylinder about 18km in length and 6km in diameter is designed to be used as a space colony. With what angular speed must it rotate so that residents on it will experience the same acceleration because of gravity on Earth.
Expand 1.046 mole of an ideal monatomic gas initially at 5.26 kPa and 605 K from initial volume Vi = 1.00 m3 to final volume Vf = 2.00 m3. What is the final pressure of the gas
A crate travels 30 m due to a constant force of 350 N. The friction can be neglected for the first 15 m. What is the final speed of the crate if it weighs 110 kg
In a muonic atom, the electron is replaced by a negatively charged particle called the muon. What is the shortest wavelength of the Lyman series in a muonic hydrogen atom
A satellite in Earth orbit has a mass of 102 kg and is at an altitude of 2.10 106 m. (Assume that U = 0 as r ? ?.), What is the potential energy of the satellite-Earth system
An old fashion record is spinning freely at 78 rpm (revolutions per minute) when another record is dropped (lightly) vertically on it. Now there are two records turning together at 39 rpm, because a. rotational energy is conserved b. vertical motion ..
A hot-air balloonist, rising vertically with a constant velocity of magnitude v= 5.00 m/s, releases a sandbag at an instant when the balloon is a height h= 40.0 m above the ground. With what magnitude of velocity does it strike
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