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Two blocks with masses 0.44 kg (A) and 0.729 kg (B) sit on a frictionless surface. Between them is a spring with spring constant 29.6 N/m, which is not attached to either block The two blocks are pushed together, compressing the spring by 0.253 meter, after which the system is released from rest. What is the final speed of the block A? (Hint: you will need to use both conservation of energy and conservation of momentum to solve this problem).
A total electric charge of 2.50nC is distributed uniformly over the surface of a metal sphere with a radius of 28.0 cm. Find the value of the potential at 55.0cm from the center of the sphere
It is proposed that future space stations create an artificial gravity by rotating. Find what rotation period will provide gravity
A satellite is placed into an earth orbit and passes 100miles above the ground as its closest point while moving at 18,000mph. What is the furthest it gets from the surface, and how fast is it traveling at that point?
At takeoff a commercial jet has a 55.0 m/s speed. Its tires have a diameter of 0.550 m.
the plank cde has a weight of 30 lb and rests on a small pivot at d. the ll5-lb gymnast a is standing on the plank at c
Suppose the emf of a coil rotating in a magnetic field is zero at t = 0 , and increases to its first peak at t = 0.08 ms. What is the period of the output
The Millenium Falcon is chased by the Imperial Forces. The ship is moving at a speed of 0.615 c. What is the velocity of the protons in the resting frame when the cannon is shot in the backward direction
A dentist's chair with a patient in it weighs 2000 N. The output plunger of a hydraulic system begins to lift the chair when the dentist's foot applies a force of 57 N to the input piston. Neglect any height dissimilarity between the piston and the p..
A 78.0 ohm and a 48.0 ohm resistor are connected in parallel. When this combination is connected across a battery, the current delivered by the battery is 0.275 A.
The plane of a 5.60cm by 8.40cm rectangular loop of wire is parallel to a 0.220T magnetic field, and the loop carries a current of 6.45A . What torque acts on the loop?
A 65kg ice skater standing on frictionless ice throws a .15 kg snowball horizontally at a speed of 32m/s. At what velocity does the ice skater move backwards
A hydraulic lift has pistons with diameters 7.85 cm and 36.5 cm,respectively. If a force of 825 N is exerted at the input piston, what maximum mass can be lifted at the output piston
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