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A projectile is launched from ground level at an angle of 1.0° above the horizontal. It returns to ground level. To what value should the launch angle be adjusted, without changing the launch speed, so that the range triples?
A hockey puck is given an initial speed of 5.0m/s. The coefficient of Kinetic friction between the puck and the ice is 0.05. Use the law of Conservation of Energy to find how far the puck slides before coming to a stop
A ball of mass moving with velocity strikes a vertical wall. What is the magnitude of the average force exerted on the ball by the wall
Calculate the moment of inertia of each of the following uniform objects about the axes indicated. Consult Table Moments of Inertia of Various Bodies in the Textbook as needed. Part A A thin 2.00- rod of length 75.0 , about an axis perpendicular t..
An AC voltage of the form ?v = (100 V) sin(1000t) is applied to a series RLC circuit. Find the average power delivered to the circuit
A light spring having a force constant of 139N/m is used to pull a 9.60kg sled on a horizontal ice rink. The coefficient of kinetic friction between the sled and the ice is 0.200. The sled has an acceleration of 2.40m/s^2 . A)Calculate the net upw..
A standing wave on a 1.70 m long horizontal string displays three loops when the string vibrates at 125 Hz. What is the function describing the standing wave
The specific heat of a certain metal can be determined by measuring the temperature change that occurs when a piece of the metal is heated, What is the specific heat of the metal
the thermal expansion coefficient of copper is about 1.7 x 10-5 oc. a copper cable has a length of 20 m early in the
A point charge causes an electric flux of -760 N·m2/C to pass through a spherical Gaussian surface of 15.0 cm radius centered on the charge. how much flux would pass through the surface
A 2000 kg car is slowed down uniformly from 21.0 m/s to 6.00 m/s in 5.60 s.
A building is being knocked down with a wrecking ball, which is a big metal sphere that swings on a 10-m-long cable. How much time do you have to move out of the way
A satellite moves in a circular orbit around the Earth at a speed of 6.1 km/s. Determine the satellite’s altitude above the surface of the Earth. Assume the Earth is a homogeneous sphere of radius 6370 km and mass 5.98 × 10^24 kg.
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