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Give the times (dates) during the year when a place on the equator receives
(a) the maximum daily amount of solar radiation and
(b) the minimum daily amount. What is the origin of the month?
A car of mass 2800 kg collides with a truck of mass 4500 kg, and just after the collision the car and truck slide along, compute the velocity of the stuck-together car and truck
A proposed ocean thermal-energy conversion (OTEC) system is a heat engine that would operate between warm water (26°C) at the ocean's surface, Find what is the maximum possible efficiency of the system
A river flows due south with a speed of 1.9m/s. A man steers a motorboat across the river; his velocity relative to the water is 4.2m/s due east. What is the magnitude of his velocity relative to the earth
A fox fleeing from a hunter encounters a 0.795 m tall fence and attempts to jump it. By how much does the fox clear the fence
A typical ten-pound car wheel has a moment of inertia of about. What is the rotational kinetic energy of the rotating wheel
A 1200 kg airplane is flying in a straight line at 80 m/s, 1.3 km above the ground. What is the magnitude of its angular momentum with respect to a point on the ground directly under the path of the plane?
A copper rod of length 0.78 m is lying on a frictionless table (see the drawing). What must be the direction of the current in the copper rod
A block of mass m is slides down africtionless inclined surface. The height of the block changes from h at the top to zero at the bottom of theincline. The block then slides across a frictionless horizontal surface and collides elastically with as..
A circular loop of wire with a radius of 0.8cm carries a current of 6 A. Determine the direction the loop will want to rotate. Indicate the direction of rotation on the diagram.
A block is resting on a track. The coefficient of static friction between the block and the track is k. You are slowly lifting one end of the track until the block starts sliding. What is the angle between the track and the ground when it happens? In..
Suppose that the pressure is one atmosphere and decide the heat in joules required to produce 3.77 kg of water vapour at 100.0°C, starting with (a)3.77 kg of water at 100.0°C and (b)3.77 kg of liquid water at 0.0°C.
The component of the external magnetic field along the central axis of a 50-turn coil of radius 5.6 cm increases from 0 T to 1.8 T in 3.6 s, what is the magnitude of the induced current in the coil
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