Physics, 17.12.2019 17:31 aons

Acar with a hanging mass attached to the ceiling starts from rest up a hill and the driver never presses on the gas or the brakes. once reaching the bottom of the hill the road levels out horizontally for a short distance then curves around a flat 30-m-radius circular path. while the car is rounding the curve the hanging mass makes an angle of 30˚ with respect to the vertical. if you assume no energy is lost to friction, what height must the car have started from?

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 18:00, heyhay5748

Abaseball has a mass of 0.145 kg and approaches a bat at 40.0 m/s. after it is hit, the ball leaves the bat at 50.0 m/s directly back. find the impulse of the bat on the ball. 7.25 kg*m/s 13.1 kg*m/s 5.80 kg*m/s 1.45 kg*m/s

Answers: 2

continue

Physics, 22.06.2019 04:00, dlatricewilcoxp0tsdw

Drag each item into the proper state of matter category.

Answers: 1

continue

Physics, 22.06.2019 11:20, kendallnowell18

If a rock is thrown upward on the planet mars with a velocity of 12 m/s, its height (in meters) after t seconds is given by h = 12t − 1.86t2. (a) find the velocity of the rock after two seconds. m/s (b) find the velocity of the rock when t = a. 12−3.72a m/s (c) when will the rock hit the surface? (round your answer to one decimal place.) t = s (d) with what velocity will the rock hit the surface? m/s

Answers: 1

continue

Physics, 22.06.2019 12:10, JN02

Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.

Answers: 1

continue

You know the right answer?

Acar with a hanging mass attached to the ceiling starts from rest up a hill and the driver never pre...