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A man enters a tall tower, needing to know its height. He notes that a long pendulum extends from the ceiling almost to the floor and that its period is 24.0 s.
(a) How tall is the tower?
m
(b) If this pendulum is taken to the Moon, where the free-fall acceleration is 1.67 m/s2, what is the period there?
s
The frequency and wavelength of a transverse wave on a string are 340 Hz and 0.70 m, respectively. What is the linear density of the string
A rocket of mass 7 kg moves with a constant velocity of 547 m/s eastward. It suddenly explodes and scatters into two pieces. find the direction of the second part
) If the pressure of the 2.2-cm3 volume is reduced to 1.2 10-11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container
q1. a 58.0-kg projectile is fired at an angle of 30.0deg above the horizontal with an initial speed of 1.26 102 ms from
A 12.0 kg box on a horizontal surface is pushed with an initial speed of 1.6 m/s. It has a friction force of 20N how many seconds will it take for the box to come to a stop
A force F = 4.2 Ni + 3.7 Nj + 1.2 Nk acts on a particle located at x = 3.3 m. What is the torque on the particle around the origin
A uniform beam of length L = 7.80 m and weight 3.95 102 N is carried by two workers, Determine the force that each person exerts on the beam
This question requires two answers. A hollow metal sphere carries a charge of 5.0 μC. How much charge is on the larger sphere
Two loudspeakers are located 3.57 m apart on an outdoor stage. A listener is 26.7 m from one and 27.7 m from the other. What is the lowest frequency that gives the maximum signal (constructive interference) at the listener's location
Suppose you measure a cylinder and determine that the radius is 0.52 + 0.01 cm and its height is 3.20 + 0.15 cm. What is the most likely value for the volume of the cylinder
Suppose a capacitor in a video camera has a capacitance of 26.0 ?F, How much potential energy is stored in the capacitor
A guitar string is 0.7m long and is tuned to play an E above middle C (330Hz).
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