How many revolutions does it make during the time
A motor spins an 2 kg block around on an 80 cm arm at 200 rpm. The blosk is supported by a steel table after the motor stops. How long does the block take to come to rest? How many revolutions does it make during this time?
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If one vibration has 5.4 times the energy of a second, but their frequencies and masses are the same, what is the ratio of their amplitudes?
If the electric field between the plates has a magnitude of 2.7×10^4V/m , what is the potential difference between the plates? Express your answer using two significant figures.
Find the upward velocity from which the insect takes off and how high would the insect jump if air resistance were negligible?
Vector A has a magnitude of 6.00 units, vector has a magnitude of 8.00 units, and the dot product A·B has a value of 39. What is the angle between the directions of A and B ?
A 2.70-kg ball, moving to the right at a velocity of +3.39 m/s on a frictionless table, collides head-on with a stationary 7.10-kg ball. Find the final velocities
What would be your weight on the surface of a neutron star that has the same mass as our sun and a diameter of 23.0 KG ?
Concider a plane circular surface (radius of 2cm) located at the center of the solonoid with its axis coinsidal with the axis of the solonoid. What is the magnetic flux through the surface. (1wb=1t-m^2)
In a physics lab experiment, a spring clamped to the table shoots a 22 g ball horizontally. When the spring is compressed 22 cm, the ball travels horizontally 5.2 m and lands on the floor 1.5 m below the point at which it left the spring. What is
What is the angular speed (in rad/s) of the drive when the power comes on, after 30s?
Two resistors R1 and R2 are in series with a 7.8 Volts battery. If R1 has a resistance of 2.0 Omega and R2 receives energy at the rate of 5.1 Watts, what is (are) the value(s) for the circuit's current(s)? (There may be more than one answer.)
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