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A garden hose is attached to a water faucet on one end and a spray nozzle on the other end. The water faucet is turned on, but the nozzle is turned off so that no water flows through the hose. The hose lies horizontally on the ground, and a stream of water sprays vertically out of a small leak to a height of 0.80 .
What is the pressure inside the hose?
When serving a tennis ball, the player hits it when its velocity is zero (at the highest point of a vertical toss). find the mass of the ball
in a scientific test conducted in arizona a special cannon called harp shot a projectile straight up to an altitude of
A consumer upset with the latest trend of postal rate increases has decided to try to send letters by balloon even though they may not reach their intended destination
A satellite is in a circular orbit very close to the surface of a spherical planet. The period of the orbit is 2.50 hours. What is the density of the planet? Assume that the planet has a uniform density.
A disk of inertia .10 kgxm2 is rotating with an angular speed of 1.0 rad/s. A non-roatating ring of mass .5 kg, What is the new angular speed of this combination
Two charged objects experience a mutual repulsive force of N. If the charge of one of the objects is reduced by a factor of and the distance separating the objects is increased by a factor of , what is the new force?
Two sleds are hooked together in tandem . The front sled is is twice as massive as the rear sled. Determine the ratio of the magnitude of the two forces.
A parallel plate vacuum capacitor is connected to a battery and charged until the stored electric energy is u, Find u, the energy dissipated in the resistor
A 2,284-kg car is moving down a road with a slope (grade) of 13% at a constant speed of 11 m/s. What is the direction and magnitude of the frictional force
A truck is carrying a steel beam of length16.0m on a freeway. An accident causes the beam to be dumped off the truck and slide horizontally along the ground at a speed of22.0m/s. The velocity of the center of mass of the beam is northward while th..
If a violin string transmits waves at 375 m/s and has 295 Hz as its fundamental frequency, what is the string's length.
Your task in physics lab is to make a microscope from two lenses.One lens has a focal length of 12 {\rm cm}, the other a focal lengthof 2.5 {\rm cm}. You plan to use the morepowerful lens as the objective, and you want its image tobe 16 {\rm cm} f..
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