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If 600 j of heat are added to 50 g of water initially at 20 degrees C.
How much energy is this in calories?
What is the final temperature of the water?
An 8.00-cm-diameter, 330g sphere is released from rest at the top of a 2.00-m-long, 17.0? incline. find the sphere's angular velocity at the bottom of the incline
question1assume two boxes on a frictionless table are linked by a heavy cord of mass 1.0 kg. compute acceleration
In outer space a rock of mass 12 kg is acted on by a constant net force ‹ 30, ?14, 49 › N during a 3 s time interval. What was the rock's velocity at the beginning of the time interval
Relationships between wavelength, frequency and speed.
A tennis ball with a speed of 13.20 m/s is moving perpendicular to a wall. After striking the wall, the ball rebounds in the opposite direction with a speed of 10.36m/s.
A bus makes a trip according to the position time graph shown in the drawing. Find the average velocity (magnitude & direction) of the bus during each of the segments labelled A, B, & C?
The index of refraction of silicate flint glass for red light is 1.620 and for violet light is 1.660. What is the angular separation between the red and violet components of the spectrum that emerges from the glass
Two lens system: The original object is 20 cm to the left of a lens with a focal length of +10 cm, Find the location and magnification of the final image. Be sure to show or tell me from where you are measuring this final location
Starting from rest, a 98-kg firefighter slides down a fire pole. How far did he slide down the pole
A 7.80-g bullet moving at 480 m/s penetrates a tree trunk to a depth of 6.0 cm. Use work and energy considerations to find the average frictional force that stops the bullet
Vector A~ has a magnitude of 9 and points in the positive x-direction. Vector B~ has a magnitude of 19 and makes an angle of 38? with the positive x-axis
The brakes of a truck cause it to slow down by applying a retarding force of 4520 N to the truck over a distance of 1150 m
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