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Vic = 40 m/s Vy = -10 m/s ac = -6 m/s2 . 170 m 1. Chris is driving at the initial speed of 40 m/s. Then he sees a tumbleweed approaching him at 10 m/s, 170 m away from him. He immediately steps on the brake, decelerating at ac = -6 m/s?. How long will it take for the car to collide with the tumbleweed? 2. A lawnmower of mass M = 6.5 kg moves across a lawn with...
Pic = 40 m/s V7-10 m/s ac = -6 m/s2 170 m 1. Chris is driving at the initial speed of 40 m/s. Then he sees a tumbleweed approaching him at 10 m/s, 170 m away from him. He immediately steps on the brake, decelerating at ac = -6 m/s? How long will it take for the car to collide with the tumbleweed? 2. A lawnmower of mass M = 6.5 kg moves across a lawn with a coefficient of...
I need help on these questions thank you so much Vic = 40 m/s Vy = -10 m/s 4c = -6 m/s2 170 m 1. Chris is driving at the initial speed of 40 m/s. Then he sees a tumbleweed approaching him at 10 m/s, 170 m away from him. He immediately steps on the brake, decelerating at ac = -6 m/s? How long will it take for the car to collide with the tumbleweed? 2. A lawnmower of mass...
Vic = 40 m/s Vy=-10 m/s ac = -6 m/s2 170 m 1. Chris is driving at the initial speed of 40 m/s. Then he sees a tumbleweed approaching him at 10 m/s, 170 m away from him. He immediately steps on the brake, decelerating at ac = -6 m/s? How long will it take for the car to collide with the tumbleweed?
Vic = 10 m/s Vy=-10 m/s Qc = -6 m/s2 170 m 1. Chris is driving at the initial speed of 40 m/s. Then he sees a tumbleweed approaching him at 10 m/s, 170 m away from him. He immediately steps on the brake, decelerating at a = -6 m/s? How long will it take for the car to collide with the tumbleweed?
Vic = 40 m/s V = -10 m/s 4c = -6 m/s? 170 m 1. Chris is driving at the initial speed of 40 m/s. Then he sees a tumbleweed approaching him at 10 m/s, 170 m away from him. He immediately steps on the brake, decelerating at a = -6 m/s. How long will it take for the car to collide with the tumbleweed?
2. A lawnmower of mass M = 6.5 kg moves across a lawn with a coefficient of friction Hk. The lawnmower is being pushed by a force, Fn = 36 N, along its handle which makes an angle 8 = 25° with the horizontal. If the lawnmower is moving at a constant velocity, what is the coefficient of friction, ik?
part 1 of 1 8 points A car is moving at 17 m/s along a curve on a horizontal plane with radius of curvature 46 m. The acceleration of gravity is 9.8. What is the required minimum coefficient of static friction between the road and the car's tires to keep the car from skidding? Question 13 part 1 of 1 8 points A 36 g ball is fastened to one end of a string 79 cm long and the other...
5))A 40 kg ice skater is gliding along the ice, heading due north at 4.4 m/s. The ice has a small coefficient of static friction, to prevent the skater from slipping sideways, but µk = 0. Suddenly, a wind from the northeast exerts a force of 4.0 N on the skater. (a) Use work and energy to find the skater's speed after gliding 90 m in this wind. m/s (b) What is the minimum value of µs that allows her...
on a frictionless table collides with a stationary 7. A 10 kg ball moving at a velocity of 2 m/s 5 kg ball. Find the final velocity of each ball if the collision is inelastic? If the collision is elastic and the 10 kg ball comes to a complete stop, what is the final velocity of the second ball? 8. A woman stands at the center of a platform. She is holding a dumb-bell in each hand, and outstretched. The...