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A high jumper leaps into the air with an initial speed of 5.8 m/s. Find how high will she be at the top of her flight when v=0?
Three identical conducting spheres initially have following charges: sphere A, 5Q; sphere B, -7Q; and sphere C, 0. Spheres A and B is fixed in place, with a center-to-center separation that is much larger than the spheres.
A boy in a moving bus at +6 m/s observes a car moving at -3 m/s. What is the actual velocity of the car with respect to the bus?
Determine the current density, resistance and electric for the copper wire, if the wire is 10 m long
an aluminum cup of 95 cm3 capacity is filled with glycerin at 18degc. how much glycerin if any will spill out of the
An astronaut is traveling in a space vehicle that has a speed of 0.515c relative to Earth. The astronaut measures his pulse rate at 69.0 per minute. What pulse rate does the Earth observer measure
Analyse the instantaneous velocity of the car
An un-tethered block sits on a flatbed truck as it accelerates up an incline that makes an angle of 15° with respect to the horizontal. What is the coefficient of static friction between the truck and the block
A mechanic pushes a 3450 kilogram car from rest to a speed of v, doing 5743 Joule of work in the process. Determine the horizontal force exerted on the car
When the flask and mercury are warmed together to a temperature of 52.0 degrees C , a volume of 8.35cm3 of mercury overflows the flask.If the coefficient of volume expansion of mercury is 1.8 * 10^-4 /K ,
a person pulls on a 50Kg desk with a 200N force acting at 30 angle above the horizontal. the desk does not budge. draw a force diagram for the desk. Write down the equation that describes the forces which act in the x-direction.
In a pool game, the cue ball, which has an initial speed of 5m/s, makes an elastic collision with the eight ball, which isinitially at rest. Find the direction of motion of the cue ball after the collision
a beam of red light of wavelength 700nm shines on a pair of narrow slits of separation 176um. the light falls on a
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