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A 732 kilogram car stopped at an intersection is rear-ended by a 1720 kilogram truck moving with a speed of 15.5 m/s. If the car was in neutral and its brakes were off, therefore that the collision is approximately elastic, evaluate the final speed of both vehicles after collision.
A simple circuit is set up that only consists of a 12 V battery connected to a light bulb with a resistance of 9 Ohms. What current flows through the light bulb
A parallel plate capacitor has a charge of 2.66 X 10^-11 C after being charged by a 15.0 V battery. The plates are seperated by 2.00 mm of air
what is the capacitance of a pair of circular plates with a radius of 6.0 cm separated by 3.2 mm of
An automobile moves at a constant speed over the crest of a hill. the driver moves in a vertical circle of radius 17.5m. at the top of the hill, she notices that she barely remains in contact with the seat. find the speed of the vehicle.
a 32.0 kg child slides down a long slide in a playground. she starts from rest at a height h1 of 20.00 m. when she is
A convex lens with a 10-cm focal length is in front of a concave lens with a 10-cm focal length. The lenses are separated by 40 cm. Where is the final image with respect to the convex lens
A 40 g bullet traveling 500 m/s penetrated 5 cm into a tree trunk. what was the retarding force on the bullet
The angle of incidence at a solid/liquid boundary is 78.1°,and the index of refraction of the solid is n = 1.62.(a) What must be the index of refraction of the liquid such that the direction of the light entering the liquid isnot changed?
A stone is thrown vertically downward at an initial speed of 14m/s from a height of 65 meter above the ground. Determine its velocity just before it hits the ground
A strong lightning bolt transfers about 26 C to Earth. How many electrons are transferred? The elementary charge is 1.60218 × 10?19 C
A concial tank (inverted right circular cone) filled withwater is 10ft across the top and 12ft high. How much work is needed to pump all the water out over the top
A horizontal force F{x} =F0 (1-t / T), which decreases from F0 at t =0 to zero at t =T, is exerted on the object. Find an expression for the object's velocity
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