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(a) What is the escape speed on a spherical asteroid whose radius is 804 km and whose gravitational acceleration at the surface is 0.943 m/s2?
(b) How far (in km) from the surface will a particle go if it leaves the asteroid's surface with a radial speed of 897 m/s?
(c) With what speed will an object hit the asteroid if it is dropped from 1390 km above the surface?
A 2 kg projectile is fired with an initial speed of 135 m/s at an angle of 68° with the horizontal. At the top of its trajectory, the projectile explodes into two fragments of masses 0.72 kg and 1.28 kg. At 3.8 s after the explosion, the 1.28 kg f..
A 10 turn square coil of area 0.036m squared and a 20-turn circular coil are both placed perpendicular to the same changing magnetic field. What is the area of the circular coil
The wings on a stonefly do not flap, and thus the insect cannot fly. However, when the insect is on a water surface, What is the ratio of the sailing speed vs to the average non-sailing speed vns
The atmosphere of the sun consists mostly of hydrogen atoms (not molecules) at a temperature of 6000 K. What are the average translational kinetic energy per atom
A tuning fork with a frequency of 440 Hz is held just above the top of a uniform glass tube containing water. What is the speed of sound in air
A luggage handler pulls a suitcase of mass 16.7kgup a ramp inclined at an angle 29.0? above the horizontal by a force F? of magnitude 147N that acts parallel to the ramp. Calculate the work done on the suitcase by the normal force
You shine red laser light with wavelength 670 nm through two narrow slits where the spacing between the slits is 0.005 mm. You use a screen placed far from the slits to detect the interference pattern. What is the smallest angle where the path diff..
It is claimed that if a lead bullet goes fast enough, it can melt completely when it comes to a halt suddenly, Find the minimum speed of a lead bullet
When a potential difference of 160 V is applied to the plates of a parallel-plate capacitor, What is the spacing between the plates
Two balls are simultaneously dropped from a height of 5.0 Part A: How long does it take for the balls to reach the ground? Use 10 for the magnitude of the acceleration due to gravity. Part B: Imagine the ball on the left is given a nonzero initial..
A 1650-kg car is traveling at 34 m/s. How fast must a 91 kg bicycle and rider be traveling to have the same kinetic energy as the car.
A mass hung on a string that is wrapped around an axle on a wheel produces a tension in the string of 5.65 N. The axle has a radius of 0.045 m. What is the torque produced by the tension on the axle
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