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Question - A sinusoidal wave travels along a string. The time for a particular point to move from maximum displacement to zero is 0.170 s. What are the (a) period and (b) frequency? (c) The wavelength is 1.40 m; what is the wave speed?
on a distant planet golf is just as popular as it is on earth. a golfer tees off and drives the ball 4.3 times as far
A 190 g ball moving at 0.45 m/s in the + x- direction is subject to a 0.15 N force in the - y- direction for 2.5 s. Find the magnitude of the ball's momentum change
Estimate the maximum efficiency of an ideal (i.e, Carnot) heat engine using a body temperature of 37 degrees Celcius as the high temperature heat source and an ambient temperature of 15 degrees celcius as the low temperature heat sink.
A point source emits 45.2 W of sound isotropically. A small microphone intercepts the sound in an area of 0.245 cm2, 280 m from the source. Calculate the power intercepted by the microphone
Mounted on a low mass rod of length 0.44 m are four balls. Two balls each of mass 0.89kg, are mounted at opposite ends of the rod. Two other balls, What is the angular speed of the rotating device
Aluminum rivets used in airplane construction are made slightly larger than the rivet holes and cooled by liquid nitrogen before being driven, find what should be the diameter of a rivet at 20°C
Two 53.0 x 10-9 C point charges are located on the x axis. One is at x = 0.33 m, and the other at x = - 0.33 m. Now the third identical charge is placed on the y axis at y = 2 x 0.33 m. Discover the magnitude of the force acting on this third charge?..
After the Sun exhausts its nuclear fuel, its ultimate fate may be to collapse to a white dwarf state. Calculate the average density of the white dwarf
A 1382-kg car is moving westward with a speed of 21.1 m/s, Find the velocity of the center of mass of the car-truck system
A 19 kg solid disk of radius 0.44 m is rotated aboutan axis through its center. If the disk accelerates from rest to anangular speed of 2.5 rad/s while rotating1.0 revolutions, what net torque is required
A stroboscope is a light that flashes on and off at a constantrage. It can be used to illuminate a rotating object, What is the next shortest time
The coefficient of kinetic friction between block A and the cart BC is 0.50. Knowing thatthe cart has a mass of 4 kg and can roll freely, determine (a) the final velocity of the cartand block, (b) the final position of the block on the cart.
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