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A car moves with an initial velocity of 5m/s and is subjected to a deceleration of 3m/s2 for 2 seconds. Calculate the distance the car traveled.
Two bumper cars moving on a frictionless surface collide elastically. What is the speed of the first bumper car after the collision
A driver travels 10 km east, 20 km north and 50 km in a direction 30 degrees south of west. What is the drivers average velocity if the trip takes 90 minutes
A block starting atop a frictionless hemispherical dome starts sliding from rest. Write down the two equations of motion of the block in terms of r and ? (i.e. use polar coordinates).
Whats the coefficient of the kinetic friction of the tire. What is the acceleration of the car.
An electromagnetic wave in a vacuum has a magnetic field with a magnitude of 1.4 10-6 T. What is the intensity S of the wave
If the coefficient of friction between the ladder and ground is 0.42, illustrate what is the mass of the heaviest person who can safely ascend to the top of the ladder?
(a) Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 11.0 g. Silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) Imagine adding electrons to the pin until the negative charge ha..
A 2.20 sound wave travels through a pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward sound receiver as heart beats. The reflected sound is after that mixed with the transmitted so..
A potter's wheel having a radius 0.53 m and a moment of inertia of 11.4 kg, determine the effective coefficient of kinetic friction between the wheel and the wet rag
Consider an RC circuit with R = 3.10k? , C = 1.40?F . The rms applied voltage is 240V at 60.0Hz. compute the phase angle between voltage and current
You are working on the analysis of rocks brought back from the Moon, What is the density of the rock
In a long solenoid, the density of the wire is 180 turns/cm. find the strength of the magnetic field within the solenoid
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