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A submerged solid object displaces a. its own volume in the liquid. b. more than its own volume in the liquid. c. less than its own volume of liquid. I am confused with the wording. Why do they use volume instead of weight?
If the parachutist comes to rest with constant acceleration over a distance of 0.610 m, what force does the ground exerts on her.
Light of wavelength 588 nm falls on a double slit. First-order bright bands appear 3.65 cm from the central bright band. The screen is 1.20 m from the slits. How far apart are the slits.
The puck has a mass of 0.140kg. Its original distance from the center of rotation is 40.0 cm, and it moves with a speed of 70cm/s. The string is pulled downward 15cm by the hole in the frictionless table. Determine the work completed on the puck.
A photoflash unit makes a very bright light for a very short time. Discuss differences in the exposure of the film with and without a flash unit. Consider the f-stop and shutter speed in your deliberation.
An 8.00 gram bullet is fired into a 250gm block that is initially at rest at the edge of a table of height 1.0 m. The bullet remains in the block, and after the impact the block lands 2.0 meters from the bottom of the table. Find out the initial s..
What is the resulting compressional force on the Earth. what is the acceleration of a rock at top of its trajectory when it has been thrown straight upward.
A 73.0 kg construction worker stands at the far end of the beam.What is the magnitude of the torque about the point where the beam is bolted into place .
Two blocks are connected by a string. The smooth inclined surface makes an angle of 35 degrees with the horizontal, and the block on the incline has a mass of 5.70 kg. The mass of the hanging block is m= 2.90 kg. Find the direction of the hanging blo..
A sphere of mass 2.8 kg is suspended from a cord. A steady horizontal breeze pushes the sphere so that the cord makes an angle of 40° with vertical when at rest.
For the motion along the inclined plane, should the maximum kinetic energy of the cart be equal to the potential energy of the compressed spring (under ideal conditions)?
A projectile of mass 7 kg is fired with an initial speed of 193 m/s at an angle of 16? with the horizontal. At the top of its trajectory, projectile explodes into two fragments of masses 4 kg and 3 kg.
Answers for an elevator are moving down with an acceleration of 3.360 m/s. what would be the apparent weight of a 64.20 kg man in the elevator.
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