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Two charged plates create a potential difference of 190 V. At a point halfway between the plates an electron is released from rest. At the same time a proton is also halfway between the plates, but far enough away from the electron to ignore the interaction between the two. Both strike the plates at the same time. What was the initial speed and direction of the proton?
A simple Atwoods machine uses two masses, m1 and m2. Starting from rest, the speed of the two masses is 2.0 m/s at the end of 5.0 s. Determine the values of m1 and m2
Illustrate what is the frictional force acting on the disk? The disk will slide off the turntable if it is located at a radius larger than 16 cm from the axis of rotation. What is the coefficient of static friction?
Two identical balls are traveling toward each other with velocities of -4.1 m/s (ball A) and +9.5 m/s (ball B), Obtain the velocities (magnitude and direction) of balls
A car is traveling at 29m/s when the driver spots a large pothole in the road the distance 37 m ahead. She immediately applies her brakes. If her acceleration is -6.60m/s2, does she manage to stop before reaching pothole.
The frequency of sound wave from an ambulance is 2,400 Hz. The velocity of sound is 345.0 m/s. find the frequency of the siren heard by the observer
How many wavelengths are there in one pulse
falls to the safety net while the other speeds away, to reach another swing at the same height at that of the swing they left. Illustrate what should be the distance (in m) between the two swings?
A skateboarder shoots off a ramp with a velocity of 6.4 m/s, directed at an angle of 55° above horizontal.
The speed of a longitudinal wave in a mixture of helium and neon at 300k was found to be 758m/s. what is the composition of the mixture
A flat coil enclosing an area of 0.08 m2 is rotating at 57 rev/s, If there are 998 turns on the coil, what is the maximum voltage induced in the coil
two 8.00 kg blocks are connected by a massless string over a frictionless pulley of radius 10.0 cm and rotational inertia, I. What is the inertia of the pulley
If an automobile rounds this curve at 30 {rm m/s}, illustrate what is the minimum coefficient of static friction between tires and road needed to prevent skidding?
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