Saturday

April 19, 2014

April 19, 2014

Number of results: 34

**Physicis**

Yes, I didn't punch it in my calc.
*Sunday, February 15, 2009 at 9:16am by bobpursley*

**physicis**

workinJoules= mass*g*height
*Monday, December 13, 2010 at 8:33am by bobpursley*

**physicis**

KE=120-70
*Friday, February 15, 2013 at 2:26pm by bobpursley*

**physicis**

How far will 350 J raise a 7kg mass?
*Monday, December 13, 2010 at 8:33am by Andy*

**physicis**

How much power does it takes to do 104 J of work in 8 seconds
*Monday, December 13, 2010 at 8:34am by Andy*

**physicis**

if the motion of something was 120 m/s2 would it be the same value if in m/s?
*Thursday, August 28, 2008 at 6:35pm by tom*

**Physicis**

Each end is supporting 1/2 the weight. Look at the force triangle: tanTheta=1/2 mg /tensioninRope
*Sunday, February 15, 2009 at 9:16am by bobpursley*

**physicis**

Your grades probably would improve if you decided to learn how to spell Physics Power= work/time
*Monday, December 13, 2010 at 8:34am by bobpursley*

**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.
*Thursday, January 20, 2011 at 11:13pm by chris*

**physicis**

No. The first value in m/s^2 is units of acceleration, the second value is m/s, velocity.
*Thursday, August 28, 2008 at 6:35pm by bobpursley*

**Physicis **

How much energy is needed to heat and melt 3.0 kg of copper initially at 83°C? Be mindful of significant figure rules for both multiplication and addition
*Monday, December 10, 2012 at 10:11am by Kathryn*

**math/physicis needs help**

Indicate your subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*Sunday, August 19, 2012 at 6:00am by PsyDAG*

**Math/physicis needs help**

Indicate your subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*Sunday, September 23, 2012 at 5:34am by PsyDAG*

** physicis**

A 100-kg crate, sliding on the floor, is brought to a stop by a 25-n force. What is the deceleration of the crate? and the answer is 2500
*Friday, March 20, 2009 at 9:21pm by hanan kalid*

**project physicis**

Hi, I need example of momentum,conservation of momentum and impluse momentum in cricket. Thanks
*Sunday, May 8, 2011 at 10:50pm 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?
*Thursday, January 20, 2011 at 11:18pm by chris*

**Physicis**

F = m1 times m2 divided by r^2 Force is inversely related to r^2 If the distance increases by 4 then the force decreases by 1/4^2 of 1/16 1/16 of 2000 N
*Thursday, March 7, 2013 at 7:54pm by Dr. Jane*

**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?
*Tuesday, April 23, 2013 at 11:43pm by PCm*

**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?
*Thursday, February 7, 2013 at 9:51pm by Anonymous*

**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?
*Wednesday, April 24, 2013 at 12:19am 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?
*Thursday, March 7, 2013 at 7:54pm by Sarah*

**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 ...
*Wednesday, April 24, 2013 at 12:18am by PCm*

**Physicis**

so it would be something like this. a. tan theta=1/2(65)/750 tan theta=0.043 theta=tan-1(0.043) theta = 2.48 degree's
*Sunday, February 15, 2009 at 9:16am by Joshua*

**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
*Wednesday, October 2, 2013 at 11:52pm by Travis*

**physicis**

Assume the fission products include three neutrons and Y-102. The number of protons and neutrons before and after the reaction will agree, as required. Yttrium (Y) has atomic number 39. Iodine's is 55. That adds up to 92, the atomic number of U. Put that all together in a ...
*Monday, October 31, 2011 at 4:08am by drwls*

**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 ...
*Friday, February 15, 2013 at 2:26pm by Laura*

**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 ...
*Tuesday, April 23, 2013 at 11:42pm 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 ...
*Thursday, January 20, 2011 at 11:15pm by chris*

**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 ...
*Wednesday, April 24, 2013 at 12:19am by PCm*

**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 ...
*Sunday, February 15, 2009 at 9:16am by Joshua*

**PHYSICS**

a 0.1 kg mass is suspended at rest from a spring near the Earth's surface, the distance that the spring is stretched is measured to be 1.0 cm. What is the spring constant of the spring (remember the MKS units)? A mass of 2 kg is attached to a spring with constant 18 N/m. How ...
*Wednesday, November 10, 2010 at 9:31am by PHYSICIS HELP ASAP*

**Physicis**

melting point of copper = 1083.0 °C heat capacity of copper = .39 kJ/kg-K heat of fusion of copper = 207 kJ/kg so to warm it up Qin = .39 kJ/kgK(1083-83)K(3kg) = 1170 kJ then to melt it Qin = 207kJ/kg (3 kg) = 621 kJ total Qin = 1791 kJ or 179,100 J
*Monday, December 10, 2012 at 10:11am by Damon*

**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 ...
*Wednesday, November 14, 2012 at 11:52am by kl*

**Physicis**

Make the route plan s₁= 300 =x₁+x₂ s₂ =395, α =26.5⁰ s₃ = 150 x₃ connects the point of s₂ and s₃ intersection and the point on s₁ which divides s₁ by x₁ and x₂ (x₃ ⊥ s₁) s&#...
*Wednesday, October 2, 2013 at 11:52pm by Elena*

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