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Stuntman "Crazy-wheels" McCoy is attempting to jump over a 33 foot (10 m) ravine with his motorcycle. If he plans to speed up to 60 mph (26.4 m/s) at what minimal angle should he build his ramp at? Hint: 2 sinθ ·cosθ = sin2θ
A 294 N force is pulling an 82.6-kg refrigerator across a horizontal surface. The force acts at an angle of 24.4 ° above the surface. calculate the work done by the kinetic frictional force
What is the tangential acceleration of a bug on the rim of a6.0 in. diameter disk if the disk moves from rest to an angular speed of 77 rev/min in 4.0s? When the disk is at its final speed, what is the tangential velocity of the bug? What is its cent..
Work and Kinetic Energy Lab, investigating the relationship between the work done on a cart and the change in the kinetic energy of the cart. We used a cart, track, 3- 20 g masses, and a photogate
A 60.0kg athlete runs up a flight of 25 steps, each 20.Ocm high, in 10.0s. Calculate the work done by gravity on the athlete
As a fish jumps vertically out of the water, assume that only two significant forces act on it: an upward force F exerted by the tail fin and the downward force due to gravity. What is the salmon acceleration
What is the overall mass-transfer coefficient based on the liquid phase, KL?- What is the composition of hexane at the gas-liquid interface, in terms of pA; i and xA; i?
q1. an aging coyote cannot run fast enough to catch a roadrunner. he purchases on ebay a set of jet-powered roller
If the string makes an angle of 27 degrees with the vertical, find the centripetal force experienced by the ball. The acceleration of gravity is 9.8 m/s.
Two economies, the United States and country G, cur- rently have identical production possibilities frontiers, CI, but have chosen differing combinations of capital and consumer goods as indicated. Illustrate how these choices will affect economic..
A water balloon of volume 30 mL (30 x 10-6 m3) is lifted vertically a distance of 1 m in the earth's gravitational field. Calculate the change of potential energy of the balloon.
A biologist is studying the growth of rats in an orbiting space station. To determine a rat's mass, she puts it in a 330g cage, what is the rat's mass
A lazy Susan consists of a heavy plastic disk mounted on africtionless bearing resting on a vertical shaft through itscenter. The cylinder has a radius R = 10 cm and mass M = 0.23 kg. A cockroach (mass m = 0.015 kg) ison the lazy Susan, at a dista..
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