Aparticle's trajectory is described by x =(12t3−2t2)m and y =(12t2−2t)m, where t is in s.
what is the particle's speed at t=0s ? what is the particle's speed at t=5.0s ? express your answer using two significant figures. what is the particle's direction of motion, measured as an angle from the x-axis, at t=0 s ?
express your answer using two significant figures. what is the particle's direction of motion, measured as an angle from the x-axis, at t=5.0s ?
express your answer using two significant figures.
Answers: 2
Physics, 22.06.2019 09:00, alisonnn101
A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?
Answers: 1
Physics, 23.06.2019 00:50, lbelle
Aplayer uses a hockey stick to push a puck at a constant velocity across the ice. the weight of the puck is 170 n. the coefficient of friction is 0.0600. with what force must the player push the puck so that his force just equals the frictional force? 28.3 n 0.999 n 0.102 n 0.0104 n
Answers: 1
Aparticle's trajectory is described by x =(12t3−2t2)m and y =(12t2−2t)m, where t is in s.
what...
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