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A billiard ball of mass m = 0.150 kg hits the cushion of a billiard table at an angle of ?1 = 60.0° at a speed of v1 = 3.00 m/s. It bounces off at an angle of ?2 = 63.0° and a speed of v2 = 2.10 m/s. a) What is the magnitude of the change in momentum of the billiard ball?
How much force is required to hold a 7.20 cm diameter hose delivering 470 L/min by a 0.73rm cm diameter nozzle.
A canoe has a velocity of 0.400 southeast relative to the earth. Find the magnitude of the velocity of the canoe relative to the river
Components dropping 10, 20, 30, and 50 volts what is the V applied. What is the algebraic sum of the voltages around a closed loop
Two identical small insulating balls are suspended by separate 0.23-m threads that are attached to a common point on the ceiling, Determine the charge on each ball
Soles of boots that are designed to protect workers from electric shock are rated to pass a maximum rms current of 1.3 mA when connected across an 1.7×10^4V AC source.
A spaceship traveling at speed .5c towards earth ejects a spacepod traveling in the forward direction at speed .25c relative to the spaceship, what is the speed of the light signal relative to the earth in terms of c
A vertical spring has one end attached to the ceiling and a 2.50-kg fish attached to the other one. find how fast the fish is moving after it drops 20.0 cm
Block A of Figure has a velocity of 15 ft/sec down slope. How far will the block slide along the slope? How far will the block slide along the slope before stopping?
About 50000 years ago, a meteor crashed into the earth near present-day Flagstaff, Arizona. How much kinetic energy did this meteor deliver to the ground
Two long straight parallel wires are 19cm apart. Wire A carries 2.0-A current. Wire B's current is5.0A in the same direction, Determine the force per unit length on wire B due to wire A
A refrigerator has a surface area of 6.04 m2. It is lined with 0.0885-m-thick insulation whose thermal conductivity is 0.0300 J/(s m C °). How much heat per second is being removed from the unit
A block of mass M=0.986kg is floating stationary in a beaker of water. A string connected to the bottom of the beaker holds the block in place. find the direction of the buoyant force acting on the block
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