mohammad hamode asked 12/15/2015 A boy standing on top of a hill throws a stone horizontally. The stone hits the ground at the foot of a hill 2.5 s later. How high is the hill?
Pipilika The Ant asked 12/1/2015 Will I be able to see something if it moves away from me with the speed of light? If not, please explain the reason behind.
Anonymous asked 10/29/2015 A ball having a mass of 500 grams is dropped from a height of 9.00 meters. What is its kinetic energy when it hits the ground?
Jo Rollins asked 10/22/2015 Superman is said to be able to "leap tall buildings in a single bound."? How high a building could Superman jump over if he were to leave the ground with a speed of 98.0 m/s at an angle of 87.0 degrees to the horizontal?
Cody Greene asked 10/2/2015 A worker drops a wrench from the top of a tower 78.3 m tall. What is the velocity when the wrench strikes the ground? The acceleration of gravity is 9.81 m/s2 . Round to the nearest hundredth place Answer in units of m/s.
RIK RZ asked 9/16/2015 How do you get rid of the momentum after you jump off a moving vehicle. When I jump I always end up automatically running because of the momentum or fall down and roll. I don't want that to happen.What should I do?
Anonymous asked 9/10/2015 What does the amplitude of a signal measure? What does the frequency of the signal measure? What does the phase of the signal measure?
Hemson Chauhan asked 8/26/2015 In the accident of a car and a fly, who will experience a larger amount of force and why?
Anonymous asked 8/26/2015 I want to present an application related to thermal conductivity in daily life, please give me a relevant one?
Tamya Jackson asked 8/26/2015 How do I determine how fast a toy car will travel across different surfaces?
Gokula krishnan asked 8/22/2015 How can scientists say that "even light can't escape from black hole's gravity"? Does this means light has mass?
