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A 12,000 lb truck is southbound on the Guadalupe street. Whenit enters the intersection with the MLK boulevard, its velocity is20 MPH in the direction 30° East from South. (Note that theGuadalupe street bends at the intersection.) A 3000 lb car goingWest on the MLK runs a red light and collides with the truck. The two vehicles become stuck together in the collision, and the combined wreckage moves due South until it hits the 7/11 gasstation at the corner.How fast was the car moving before it hit the truck?
A flowerpot is accidently knocked off the edge of a balcony 50 m above the ground. Find the velocity and acceleration of the flowerpot at t=2.0s
A metal container, which has a mass of 8.8 kg contains 15.1 kg of water. A 2.4-kg piece of the same metal, initially at a temperature of 180.0°C, Calculate the specific heat of the metal
A daredevil on a motorcycle leaves the end of a ramp with a speed of 39.5 m/s, what is the maximum height that he reaches
Calculate the force of gravity on the same 1-kg mass if it were is 6.4 x106 m above the earth’s surface (that is, if it were 2 Earth radii from the Earth’s center)
A high-frequency photon is scattered off of an electron and experiences a change of wavelength of 8.0×10-4 .At what angle should a detector be placed to detect scattered photon (relative to the direction of the incoming photon).
How many revolutions does the ball make during its fall. Now assume that the ramp is frictionless, so that the ball slides instead of rolling. Through what horizontal distance d does the ball move before landing in this case.
A certain atom has atomic number Z = 20 and atomic mass number A = 42. What is the approximate radius of the nucleus of this atom
A gardener opens a hose and water is ejected horizontally at the speed of 6m/s. The diameter of the hose is 2cm and the density of water is 1000kg/m^3.
How far from the center of the earth must you go so that your weight is half of that at the surface of the earth
A highway curve of radius 600m is designed for traffic moving at a speed of 73.0km/hr. What is the correct banking angle of the road
An ore sample weighs 17.5N in air. When the sample is suspended by a light cord and totally immersed in water, the tension in the cord is 11.2N. Find the total volume of the sample
A 30-g bullet initially traveling 500 m/s penetrates 12 cm into a wooden block. What average force does it exert on the block
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