Respond to this Question
Similar Questions

physics
The homework question asks: which work woulf be required to stop a moving object: the intial speed, the intial kinetic energy of the object, the mass of the object times it acceleration, the mass of the object times its intials
asked by tatiana on November 5, 2006 
Science ( physics )
A balloon is rising with a velocity of 4.9 m/sec releases an object from height of 96 m. a) How long after its release will the object reach the ground? b) what is the velocity of the object as it hits the ground? The object has
asked by Margie on August 1, 2006 
physics
I had wrote that was because I was told that in the beginning of the spring being wound the PE=KE. Can I check a concept question, The amount of work required to stop a moving object would be equal to the mass of the object times
asked by tatiana on November 5, 2006 
science
A rifle aimed horizontally at a target fired a bullet which lands 2 cm below the aim point. If the rifle was 25 m away find a) the flight time and b) the velocity with which the bullet left the rifle. I would first have to convert
asked by Jenny on November 2, 2006 
Physics
An object is observed for a 5 second interval. During this time, the objects velocity increases from 2 m/s to a final velocity and the object travels 75 m. The acceleration of the object is constant. Given this information, which
asked by Lewis on October 7, 2012 
Math Help
Let v(t)=t^2−3t be the velocity, in feet per second, of an object at time t , in seconds. (c) What is the meaning of the quantity v(4)? Select all that apply if more than one statement is correct. A. In how many seconds will the
asked by Sam E on January 28, 2016 
Sam E
Let v(t)=t^2−3t be the velocity, in feet per second, of an object at time t , in seconds. (c) What is the meaning of the quantity v(4)? Select all that apply if more than one statement is correct. A. In how many seconds will the
asked by Math on January 28, 2016 
physics
A 110g hockey puck sent sliding over ice is stopped by a frictional force on it from the ice a) if its intial speed is 6.0m/s, what is the magnitude of the frictional force? b) what is the coefficient of friction between the puck
asked by tina on November 19, 2006 
PhysicsConversion of Energy
Can someone help me solve this problem with all of the steps? This is from an online homework assignment but it doesnt have anything like it in the practice example. It asks to NOT use Newton's Law. An object is on Earth with a
asked by Light on November 29, 2018 
cal
let s(t)= 16t^2 + 50 represent the distance in ft. from the ground of an object t seconds after initial velocity of the object? initial means t=0 1. what is the initial velocity of the object? 2. what is the velocity of the
asked by maria on January 23, 2011