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Q. A man is riding on a flatcar traveling at a constant speed of 9.10 {rm{ m/s}}. He wishes to throw a ball through a stationary hoop 4.90 {rm m} above the height of his hands in such a manner that the ball will move horizontally as it passes through the hoop. He throws the ball with a speed of 10.8 {rm{ m/s}} with respect to himself.
Q. Light of wavelength 467 nm in air enters a fishbowl filled with water, then exits through the crown glass wall of the container. Find the wavelengths of the light (a) in the water and (b) in the glass.
At what rate is the flywheel spinning while the power comes back on. How long after the beginning of the power failure would it have taken the flywheel to stop if the power had not come back on.
What is an electric potential at a point
What is Newtons Version of Keplers Third Law
The tension Tu in upper (taut) segment of the belt is 170 N, and flywheel has a clockwise angular acceleration of 1.67 rad/s2. Find out the tension in the lower (slack) segment of the belt.
one end of a uniform beam of 222N is hinged to a wall, the other end is supported by a wire that makes angles of 30 with both wall and beam, find out the tension in the wire and horizontal and vertical componentes of the force od the hinge on the ..
The rms speed of the molecules in 1.8 of hydrogen gas is 1600 m/s. What is total translational kinetic energy of the gas molecules.
suppose an electric motor continuously operating with average power 4.65 kW runs the pump. Find its efficiency.
What is the ratio of the amplitude of the damped oscillation
A pitcher throws a fastball horizontally at a speed of 150 km/h toward home plate, 18.4m away. If the batters combined reaction and swing times total 0.37s, how long can batter watch the ball after it has left the pitcher's hand before swinging? In t..
A plane is headed east with an air speed of 205.0 m/s. The wind blows southeast at 32.0 m/s. Determine the velocity of the plane relative to the earth.
plan a free-body diagram of the wire and bird system. How much tension does the bird produce in the wire? Ignore the weight of the wire.what is the rotational inertia of the wheel.
What is magnitude of the speed of the boat
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