Calculate the speed of the electron
An electron librated from a hot filament cathode is attracted by an anode with a potential of 1200V positive with respect to the filament. calculate the speed of the electron when it strikes the anode?
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A 18.8 kg block is dragged over a rough, hor- izontal surface by a constant force of 77.6 N acting at an angle of 35? above the horizon- tal. The block is displaced 10.8 m, and the coefficient of kinetic friction is 0.139. The acceleration of grav
Downward at an angle of 53° below the horizontal. What is the horizontal component of the ball's velocity when the opposing player fields the ball?
A 27 pound meteorite struck a car, leaving a dent 27 cm deep in the trunk. If the meteorite struck the car with a speed of 620 m/s, what was the magnitude of its deceleration, assuming it to be constant?
Starting from rest, how long would a train take to roll freely along its track from San Francisco to Washington D.C which are separated by an arclength of s =3900 km and are connected by a straight line that reaches a maximum depth of 290 km belo
A 9.60 kg mass suspended from a spring with spring constant, k =750 N/m, extends it to a total length of 0.510 m. Find the new total length of the spring when a 13.40 kg mass is suspended.
If the police car's acceleration is 1.80 , and 7.60 elapses after the police car is passed until it overtakes the speeder (assumed moving at constant speed), what was the speeder's speed?
Three equal point charges, each with charge 1.00 , are placed at the vertices of an equilateral triangle whose sides are of length 0.350 . What is the electric potential energy of the system? (Take as zero the potential energy of the three charges
You are driving down the highway late one night at 20 rm m/s when a deer steps onto the road 35 rm m in front of you. Your reaction time before stepping on the brakes is 0.50 rm s , and the maximum deceleration of your car is 10 rm m/s^2 .
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