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If the initial oscillation of the pendulum has an amplitude of 2.5 m, determine what is the amplitude of oscillation after 20 second?
A well-thrown ball is caught in a well-padded mitt. If the deceleration of the ball is 2.10×104 m/s2, what was the initial velocity of the ball
A 0.7 kg disk with a rotational inertia given with MR2/2is free to rotate on a fixed horizontal axis suspended from the ceiling. A string is wrapped around the disk and a 2.0 kg mass hangs from the free end. If the string does not slip then as the ma..
A ball is dropped from a height of 1.50 m and rebounds to a height of 1.20 m. Approximately how many rebounds will the ball make
Two boats start together and race across a 56-km-wide lake and back. Boat A goes across at 52 km/h and returns at 56 km/h. Boat B goes across at 36 km/h, and its crew, realizing how far behind it is getting, returns at 79 km/h. Turnaround times are n..
a 43.3 kg boy and a 60.0 kg girl are on the surface of a frozen lake 10.5 m apart. using a rope the boy exerts a
What is the range of frequency of the light emitted by the hydrogen atom
A piano tuner sounds two strings simultaneously. One has been previously tuned to vibrate at 284.0 Hz. The tuner hears 5.0 beats per second. What was the original frequency of the untuned string
Two resistors when connected in series to a 110 Volt line use one-fourth the power that is used when they are connected in parallel. If one resistor is 2.9 kilo ohm, find what is the resistance of the other
The mass of hot-air balloon and its occupants is 320 kg (excluding the hot air inside the balloon). To what temperature (in K) must the air be heated so that the balloon just lift off? The molecular mass of the air is 29 u
The motion of peg P is constrained through the lemniscate curved slot in OB and by the slotted arm OA.
A tank having a volume of 0.100 m3 contains helium gas at 135 atm. How many balloons can the tank blow up
At t = 0, a particle leaves the origin with a velocity of 9 m/s in the positive y direction and moves in xy plane with a constant acceleration of (-2 i -4 j) m/s2. At t = 1 s, what is the velocity of particle in the x direction.
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