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Ball A is dropped from the top of a building of height h at the same instant that ball B is thrown vertically upward from the ground. When the balls collide, they are moving in opposite directions, and the speed of A is twice the speed of B. At what height does the collision occur? (Use any variable or symbol stated above as necessary.)
An ant with mass m is standing peacefully on top of ahorizontal, stretched rope. The rope has mass per unitlength μ and is under tension F. Without warning, Throckmorton starts a sinusoidal transverse wave of wavelength lambda propagating along th..
What is the pressure change in water going from a 3.2- cm-diameter pipe to a 1.8- cm-diameter pipe if the velocity in the smaller pipe is 8.0 m/s
Refer to Interactive Solution 19.25 to review one way in which this problem can be solved, What is the distance of closest approach
The position of a particle moving along the x axis depends on the time according to x=ct^2-bt^3, what distance does the particle move and what is its displacement
Consider a car driving at constant velocity. The force of friction acting on the car in Newtons is, Find the magnitude of f when v = 50 miles/h
At very low termperatures the molar specific heat of many solids is approximately Csubv=AT^3..For alymninum, A=3,15 times 10^-5. how do we know that this is constant volume
A current of 7.95 A in a solenoid of length 12.4 cm creates a 0.301-T magnetic field at the center of the solenoid. How many turns does this solenoid contain
A solenoid inductor has an emf of 0.90V when the current through it changes at the rate 10.0 A/s. How many turns does the inductor have
The angle of incidence of a light beam in air onto a reflecting surface is continuously variable. find the index of refraction of the reflecting material
To push a 22 kg crate up a frictionless incline, angled at20° to the horizontal, a worker exerts a force of 88.5N, parallel to the incline. As the crate slides 1.50m, (a) how much work is done on the crate by the worker's applied force?
On a spacecraft two engines fire for a time of 589 s. One gives the craft an acceleration in the x direction of ax = 5.05 m/s2, Calculate the magnitude of the initial velocity
The length of a simple pendulum is 0.87 m and the mass of the particle (the "bob") at the end of the cable is 0.21 kg. What is the angular frequency of the motion
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