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Driving home from school one day you spot a ball rolling out into the street. You brake for 1.10 s, slowing your 920 kg car from 16.0 m/s to 9.50 m/s.
(a) What was the average force exerted on your car during braking? Magnitude ___ kN.
(b) How far did you travel while braking?
At a certain time a particle had a speed of 84 m/s in the positive x direction, What was the average acceleration of the particle during this 2.7 s intervl
Compute the Brewster’s angle and angle of refraction.
The entrepreneur who founded the company is convinced that sales will increase next year by 150% and that net operating income will increase by 400%, with no increase in average operating assets. Illustrate what would be the company's ROI?
Define FM and what parameter of the intelligence signal causes frequency deviation of the carrier?
A stone is dropped into a river from a bridge 41.9 m above the water. What is the initial speed of the second stone
A force F= (6x - 2y)N acts on a particle that undergoes a displacement delta r= (3x + y)m. Find (a) the work done by the force on the particle and (b) the angle between F and r.
A sphere that is a perfect blackbody radiator has a radius of 0.140 m and is at 250°C in a room where the temperature is 27°C. find the net rate at which the sphere radiates energy.
A baseball is hit at an angle of 60° above the horizontal with a speed of 40 m/s. There is a 15 m high fence located at 120 m from the batter. How high is the ball at its highest point
What is the direction from the players original point. he estimates that the car is about 400 m away.
A 3.80-kg cylindrical rod of length 2.00 m is suspended from a horizontal bar so it is free to swing about that end. What is the angular velocity of the rod immediately after the collision
A 2.10kg snowball is fired from a cliff 8.55 m high with an initial velocity of 11.90 m/s, directed 47.0° above the horizontal. (a) Using energy techniques, find speed of the snowball as it reaches the ground below the cliff. What is that speed (b) i..
A satellite moves in a circular orbit around the Earth at a speed of 4420 m/s. Determine the period of the satellite's orbit
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