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A 0.36 kilogram ball moving in the +x direction at 17.8 meter per second is hit by a bat. Its final velocity is 23.3 meter per second in the -x direction. The bat acts on the ball for 0.012 second. Determine the average force exerted on ball by bat.
A rectangular air mattress is 1.7 mlong, 0.55 m wide, and 0.05 m thick. If it has a mass of 2.0 kg, what additional mass can it support in water
the mass of platinum is 21.4 x 103 kgm3. a platinum wire with a radius of 0.500mm 1.20 m long fixed at both ends has a
Two capacitors, one 12.0 μf and the other of unknown capacitance, are connected in paralel across a battery of EMF 9.0V. The total enery stored in the two capacitors is 0.0115 J.
A bullet is fired from a gun whose barrel is 0.600 m long. The bullets mass is 5.00 g and its velocity is 300m/s when it leaves the gun's muzzle. what was the average force acting on the bullet
A 145 g block hits a 115 g block initially at rest on a horizontalsurface. After impact they stick together and slide 9.01 m beforecoming to rest. The acceleration of gravity is 9.8 m/s^2.
A 16 N m torque is applied to a wheel if nas 1 kilogram and radius of gyration of 2 meter. Find what is the resulting angular acceleration
Two spheres of mass m and a third sphere of mass M form an equilateral triangle, and a fourth sphere of mass mB is at center of the triangle.
the electric field just above the surface of the charged drum of a photocopying machine has a magnitude e of 2.3 x 105
In the system shown in figure. A horizontal force Fx with a magnitude of 100N acts on object of mass m2=6.15kg. The horizontal force is frictionless. ( Picture- a flat table with mass m2 connected with a string to a pulley and mass 1 hangs off the ta..
If the spring is stretched by 1.4 times the value in part A, and then released from rest, and the coefficient of kinetic friction between the box and the plank is 0.34, what is the magnitude of the initial acceleration of block as it starts moving..
what are the three longest wavelengths for standing waves on a 300-cm-long string that is fixed at both ends in meters?
A car weighing 1.1×104 N and traveling at 12.90 m/s attempts to round an unbanked curve with a radius of 54 m. What force of friction is required to keep the car
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