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Solve the all parts of given question:
Question: A ball is thrown from a point 1.15 m above the ground. The initial velocity is 18.8 m/s at an angle of 31.2° above the horizontal.
Part A: Find the maximum height of the ball above the ground.
Part B: Calculate the speed of the ball at the highest point in the trajectory.
Please show all work and equations. Defend your answer.
A pair of in-phase stereo speakers is placed side by side, 2m apart. You stand directly in front of one of the speakers, 5m from the speaker. What do you hear.
a pump for a power plant takes in saturated water at 1.5 psi and boosts its pressure to 1500 psi. the pump has an
Estimate how many cubic meters of air an average person breathes in two weeks. A typical human breathes about 12 L per breath
A circular coil (660 turns, radius = 0.036 m) is rotating in a uniform magnetic field. Find the magnitude of the magnetic field at the location of the coil
Two ice skaters, Daniel (mass 63.1 kg ) and Rebecca (mass 45.9 kg ), are practicing. Daniel stops to tie his shoelace and, while at rest, is struck by Rebecca, What is the direction of Daniel's velocity after the collision
a fire hose exerts a force on the person holding it. this is because the water accelerates as it goes from the hose
A playground merry-go-round made in the shape of a solid disk, hasa diameter of 2.74 m and a mass of353.7 kg. Two children, each of mass30.2 kg, sit on opposite sides at the edgeof the platform. Approximate the children as point masses.
A 4.5 box slides down a 4.7 high frictionless hill, starting from rest, across a 1.6- -wide horizontal surface, afterwards hits a horizontal spring with spring constant 550 . The other end of the spring is anchored against a wall. The ground under..
A uniform electric field of magnitude 300 V/m is directed in the positive x direction. A +10.0 µC charge moves from the origin to thepoint (x, y) = (20.0 cm, 50.0 cm). What was the change in the potential energy of this charge?
When she reaches the bus, explain how fast is the bus traveling? If the student's top speed is 2.20m/s^2 , will she catch the bus? What is the minimum speed the student must have to just catch up with the bus?
an image of the moon is focused onto a screen using a converging lens of focal length f 36.8 cm. the diameter of the
q1. a cord passes over a weightless and frictionless pulley. masses of 220 g and 389 g are attached to the ends of the
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