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July 23, 2014

Search: Physicis

Number of results: 19

physicis
How far will 350 J raise a 7kg mass?
December 13, 2010 by Andy

physicis
if the motion of something was 120 m/s2 would it be the same value if in m/s?
August 28, 2008 by tom

physicis
How much power does it takes to do 104 J of work in 8 seconds
December 13, 2010 by Andy

physicis
What is dry ice behavior when acted on by a steady push that keeps up with the block and when it is a given a quick shove.
January 20, 2011 by chris

Physicis
How much energy is needed to heat and melt 3.0 kg of copper initially at 83C? Be mindful of significant figure rules for both multiplication and addition
December 10, 2012 by Kathryn

project physicis
Hi, I need example of momentum,conservation of momentum and impluse momentum in cricket. Thanks
May 8, 2011 by nick

physicis
what action on our part is neccesary to make the dryiceblock move faster and faster,that is accelerate continuosly?if you are speeding it up, how must you move?
January 20, 2011 by chris

physicis
A 1.0 kg metal head of a geology hammer strikes a solid rock with a velocity of 5.0 m/s. Assuming all the energy is retained by the hammer head, and that it's heat capacity is 0.11 cal/(gC), how much will its temperature increase?
February 7, 2013 by Anonymous

physicis
A pellet gun fires ten 3.00 g pellets per second with a speed of 840 m/s. The pellets are stopped by a rigid wall. What is the average force (in newtons) exerted by the pellets on the wall?
April 23, 2013 by PCm

physicis
A body of 8.10 kg mass makes an elastic collision with another body at rest and continues to move in the original direction, but with one-fourth of its original speed. What is the mass (in kilograms) of the struck body?
April 24, 2013 by PCm

Physicis
Airplane staring from airport a flies 300 km east then 395 km 26.5 degrees west of north, and then 150 km north to arrive at airport b. what angle is the straight flight from a to b north of east and how far
October 2, 2013 by Travis

physicis
A freight car, open at the top, weighing 2.80 tons, is coasting along a level track with negligible friction at 4.10 ft/s when it begins to rain hard. The raindrops fall vertically with respect to the ground. What is the speed (in feet/second) of the car when it has collected ...
April 24, 2013 by PCm

Physicis
The gravitational force between two objects is 2,000N. They are moved so that the distance between them is four times the original distance. What is the new force between the objects?
March 7, 2013 by Sarah

physicis
a 0.30 kg mass attached to a spring is pulled back horizontally across a table so that the potential energy of the system is increased from zero to 120 J. Ignoring friction what is the kinetic energy of the system after the mass is released and has moved to a point where the ...
February 15, 2013 by Laura

physicis
A block of mass m1 = 4.00 kg slides along a frictionless table with a speed of 16.0 m/s. Directly in front of it, and moving in the same direction, is a block of mass m2 = 5.00 kg moving at 7.00 m/s. A massless spring with a spring constant k = 1220 N/m is attached to the ...
April 24, 2013 by PCm

physicis
A 8.30 kg object with a speed of 34.0 m/s strikes a steel plate at an angle of 45.0 degrees with the normal to the plate, and rebounds at the same speed and angle on the other side of the normal. What is the change (in magnitude only) of the linear momentum of the object (in ...
April 23, 2013 by PCm

physicis
suppose the dry ice block is moving to begin with and we exert a steady force,either speeding up or slowing down.how does the block behave? now suppose we make the steady force smaller and smaller.how does the dryice block behave? how will it behave when the force we are ...
January 20, 2011 by chris

Physicis
Given: Two teams of children are well-matched, and they pull on the rope with exactly the same force. They have placed a 65n weight at the center of the rope. The teams first pull with 750n of force each, then in an heroic effort to straighten the rope, pull with 1500n of ...
February 15, 2009 by Joshua

PHYSICIS ELENA PLEASE HELP
A beam resting on two pivots has a length of L = 9.00 m and mass M =89.0 kg. The pivot under the left end exerts a normal force n1 on the beam, and the second pivot placed a distance 4.00 m from the left end exerts a normal force n2. A woman of mass m= 48.0 kg steps onto the ...
November 14, 2012 by kl

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