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A baseball is thrown with a velocity of 31 m/s at an angle of 40o from a height of 1.8 meter.
(a) Find the vertical and horizontal velocity components.
(b) Determine the time to peak trajectory.
(c) Determine the height of the trajectory from the point of release.
(d) Determine the total height of the parabola.
(e) Determine the time from the apex to the ground.
(f) Determine the total flight time.
(g) Determine the range of the throw.
An 800-N man stands halfway up a 5 m long ladder of negligible weight. The base of the ladder is 3 m from the wall as shown. suppose that the wall-ladder contact is frictionless, wall pushes against the ladder with a force of what magnitude.
There are two answers required for this question. An engine operates between temperatures of 280 K and 700 K at 62.0 % of its maximum efficiency. how much work does the engine do
In lab, your instructor generates a standing wave using a thin string of length L = 2.10m fixed at both ends. What is the maximum transverse speed vy of the bead
you want to take a picture of a 4.5 m tall giraffe at the zoo. your camera has a focal length of 50 mm and the size of
In 2.0 minutes, a ski lift raises six skiers at constant speed to a height of 175 m. The average mass of each skier is 65 kg. Illustrate what is the average power provided by the tension in the cable pulling the lift?
An empty 13461 kg coal car is coasting on a level track at 6.7 m/s. Suddenly 4761 kg of coal is dumped into it from a chute directly above it. Find the final speed of the car
A rock is tossed straight up with a speed of 29 m/s. How long is the rock in the air, from the instant it is released until it hits the bottom of the hole
A particle with mass 2.30 g and charge +10.0 uC enters through a small hole in a metal plate with a speed of 8.50 m/s, How far will the particle travel, delta x, before it hits the plate
A dolphin in seawater at a temperature of 25 °C makes a chirp. How much time passes before it hears an echo from the bottom of the ocean, 208 m below.
The temperature of a gold bar rises by 10.0°C when it absorbs 0.677 kJ of energy by heat. The mass of the bar is 525 g. Determine the specific heat of gold from these data
A satellite moves in a circular orbit around Earth at a speed of 5047 m/s. Determine the satellite's altitude above the surface of Earth
in the absence of a nearby metal object the two inductances la and lb in a heterodyne metal detector are the same and
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