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The position of an object connected to a spring varies with time according to the expression x = (4.4 cm) sin(6.9?t). (a) Find the period of this motion.
A 1.00-kg beaker containing 1.80 kg of oil (density = 916 kg/m3) rests on a scale. A 1.90-kg block of iron is suspended from a spring scale and is completely submerged in the oil. Determine equilibrium readings of both scales.
A female gymnast weighs 620 N. If she is hanging stationary from a high bar, how many forces are acting on her.
When resting, a person has a metabolic rate of about 5.84 x 105 joules per hour. The person is submerged neck-deep into a tub containing 3.61 x 103 kg of water at 28.8 °C. If the heat from the person goes only into the water, find the water temper..
A 400 kg car sits 2 m to the right of a fulcrum assume car is on a weightless rod, how far to the left of the fulcrum should an effort of 200 N be applied to keep the system in quilibrium.
A Cassegrain astronomical telescope uses two mirrors to form the image. Compute the radius of curvature of a secondary mirror
Imagine that we drop a block of mass m from a height h above the comparatively lightweight plate supported by a vertical spring with relaxed length L and spring constant k. From what value of h would we have to drop the block to compress spring to..
On a very muddy football field, a 100 linebacker tackles a 75 halfback. Immediately before the collision, the linebacker is slipping with a velocity of 8.9 north's and the halfback is sliding with a velocity of 7.9 east's.
Charge Q = 10E-8 C is placed in the origin. Location A is -3.00m from the charge while location B is 2.00m from the charge.A) Find the potential difference VB - VA between the two points. B) Which point is at the higher potential? Type either "Poi..
What is the tension in each cable if angle between each and the direction the crate moves is 12°.
What is least value for which stick remain in equilibrium
Find out the speed of the satellite
suppose that the displacement of your hand is 0.70 m as you throw the ball straight up. How long is the ball is in your hand.
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