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Suppose you have a 12.0V motorcycle battery that can move 5000C of charge and a 12.0V car battery that can move 60, 000C of charge. how much energy does each deliver? (Assume that the numerical value of each charge is accurate to three significant figures)
A baseball is thrown horizontally with an initial velocity of 20 m/s from
the height of 1.5 m. How long will it take to reach the ground? How far
will it go horizontally?
Compute for the maximum height to be reached by the cannon
ball.
A baseball is thrown horizontally with an initial velocity of 20 m/s from
the height of 1.5 m. How long will it take to reach the ground? How far
will it go horizontally?
an elephant of mass 500kg stands with all four legs on the ground esch foot has area of 0.08m^2.calculate the pressure exerted by the elephant on the ground(g=20m/s^2)
woodchuck runs 20 m to the right in 5 s, then turns and runs 10 m to the left in 3 s. (a) What is the average velocity of the woodchuck? (b) What is its average speed?
A spring 20cm long is stretched to 25cm by a load of 50N. What will be it's length when stretched by 100N assuming that the elastic limit is not reached
Water flowing over the Wraith Falls in Yellowstone National Park drops 30 m.
If all of the water's energy goes to heat it, what is its temperature increase?
The velocity of car A is 8m/s when the two cars are moving in the same direction and 28m/s when the two cars are moving in opposite directions. Determine the velocity of each car
A delivery van is travelling at a constant speed of 15ms^-1 when the driver sees a pedestrian crossing 50m ahead of him. He takes exactly 1 sec before he apploes the brakes as hard as he can. It takes 3 sec for him to stop.
Will the van be able to stop before he reaches the pedestrian crossing?
