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A pendulum clock is accurate on earth, where the period of its pendulum is 1.00 s.
1. Discover its period on the moon, where gravitational acceleration is 1.6 m/s2.
2. Through a 1 h interval, what would be the elapsed time shown on the clock?
A uniform disk of mass Mdisk = 4.7 kg and radius R = 0.22 m has a small block of mass mblock = 2 kg on its rim. It rotates about an axis a distance d = 0.16 m from its center intersecting the disk along the radius on which the block is situated.
Consider a mass spectrometer utilized to separate the two isotopes of uranium, 238U3+ and235U3+. Assume the ions enter the magnetic field region with a speed of 6.0x105 m/s. What value of B is required to give a separation of 1.0 mm when the ions lea..
You are standing on a sidewalk when a police car passes you traveling 25 m/s and sounding its siren. what is the frequency of the sirens on the police cars
a cd has a playing time of 47.4 minutes. when the music starts the cd is rotating at an angular speed of 512
A thin pole extends straight up from the bottom of a clear pond 2 m deep. What is the length of the pole's shadow on the bottom of the pond
On a friction less horizontal air table, puck A w/ mass 0.250 kg is moving towards puck B w/ mass 0.350 kg that is initially at rest. What was the speed of puck B before the collision
How several 90-rm W, 120-rm V light bulbs can be connected to a 20-rm A, 120-rm V circuit without tripping the circuit breaker.
A beam of unpolarized sunlight strikes the vertical plastic wall of a water tank at an unknown angle. what angle does this beam make with the normal inside the water
A 100 kg shot-putter pushes a forward and upward force on a 4 kg shot with a force of 1000N, Calculate the vertical and horizontal components of this resultant force
what are some popular voltagecurrentresistance analogies? what are some ways you have learned about or will learn about
Two people pull as hard as they can on horizontal ropes attached to a boat that has a mass of 200 kg. If they pull in the same direction, the boat has an acceleration of 1.59 m/s2 to the right. If they pull in opposite directions, the boat has..
a television antenna is on the roof of the building. from a pt. on the ground 36.0 feet from the building the angle of
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