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A ball is thrown toward a cliff of height h with a speed of 31m/s and an angle of 60 degrees above horizontal. It lands on the edge of the cliff 3.7s later. How high is the cliff? What was the maximum height of the ball? What is the ball's impact speed?
A capacitor is used as energy storge device. the material between the plates of the capacitor has a certain resistance leading to a gradual slef-discharge. What is the fraction of the initial energy lost in the first hour
the position of a cart that is oscillating on a spring is given by the equation x= 12.3 cm cos [(1.26 s-1)t], velocity and acceleration of the cart
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
A Volleyball is spiked so that it has an initial velocity of 15 m/s directed downward at an angle of 55 degrees below the horizontal. Find the horizontal component of the ball’s velocity when the opposing player fields the ball?
Assume someone drops an apple from a vertical distance of 6.0 meters, directly above the point where the arrow hits the tree.
A charge of -5.8 micro-Coulombs is placed at x = 0, y = 0. A charge of +17.1 micro-Coulombs is placed at x = 0, y = +36 cm. Another charge of +34.8 micro-Coulombs is placed at x = +33 cm, y = 0 cm. What is the magnitude of the total electric force..
a ball rolls down a 100m.the hill is inclined at 60 degrees. if the ball has a rotational inertia of 10kg-m^2 and starts from rest, what is the final rotational speed of the ball?(you must use the conservation of energy)
At an instant when a soccer ball is in contact with the foot of the player kicking it, the horizontal or x component of the ball's acceleration is 940 m/s2 What is the magnitude of the net force acting on the soccer ball at this instant
A car makes a round trip for 100m in 10 seconds. What is the average velocity?
an electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate, What is the kinetic energy of the electron just as it reaches the positive plate
the blood plays an important role in removing heat from th ebody by bringing the heat directly to the surface where it can radiate away. nevertheless, what is the thermal conductivity of this persons skin
A charge of -4.26 micro-Coulombs is fixed at the center of a compass. find direction of the net electrostatic force acting on the charge
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