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Question: Physics A point charge q1=15.00uC is held fixed in space. From a horizontal distance of 3.00cm, a small sphere with mass 4.00 x 10-3 kg and charge q2=+2.00uC is fired toward the fixed charge with an initial speed of 38.0m/s. Gravity can be neglected.
Part A: What is the acceleration of the sphere at the instant when its speed is 26.0m/s?
I don't understand how to get the answer. Can you please help me with this question?
A cannon tilted upward at 26° fires a cannonball with a speed of 105 m/s. What is the component of the cannonball's velocity parallel to the ground
Two ( and only two ) full spectral orders can be seen on either side of the central maximum when white light is sent during a diffraction grating. What is the maximum number of lines per cm for the grating?
Identical samples containing 32P are measured for a period of 1 hr in a counter having an efficiency of 44 percent and a negligible background. From a large number of observations, the mean number of counts in 1 hr is (2.93 x 10^4)
An old bucket of mass 6.75kg hangs in awell at the end of a rope. What is the total work done on the bucket
Objective questions based on kinematics.
In a hydraulic system a boy of mass m is standing on one of the movable positions that is a disc of radius R, what is the pressure in the hydraulic fluid
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a person whose weight is W = 658 N doing push-ups. Find the normal force exerted by the floor on each hand
A microwave radio transmitter emits electromagnetic waves of a single wavelength. What is the power of the transmitter
De Broglie postulated that the relationship λ= h/p is valid for relativistic particles. What is the de Broglie wavelength for a (relativistic) electron having a kinetic energy of 3.22 MeV?
An aircraft carrier has a speed of 13.0 m/s relative to thewater. What is thefrequency of the sound heard by the crew on the ship
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