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A particle starts from X = 9.4 m at t = 0 and moves along the x-axis. A graph of the particle's velocity as a function of time is shown in the figure, where the vertical axis is scaled such that vs = 6.13 m/s. What is the difference between the instantaneous acceleration at t = 1 s and the average acceleration over the time interval from t = 0 to t = 5 s? (Give your answer in m/s^2.)
An alpha particle (the nucleus of helium nucleus with charge+2e and mass 4.0u ( 1u = 1.66 x 10-27) moves in acircular orbit of radius R=12cm in a uniform magnetic field of0.25T. Where the magnetic field is perpendicular to the plane.
A worker in a radiation lab recieves a whole-body radiation dose of 29 mrad. Her mass is 65 kg. The radiation delivered by alpha particles for which the RBE is 12. What was the total energy absorbed by her body
An astronaut has a mass of 50 kilogram. Her vehicle travels to 6400 kilometer above earth and she weighs 1/4 of what she weighed on earth (which is 122.5N). find the acceleration on her mass at that point in space
the flywheel of a car engine is a solid disk with a mass of 8.7 kg and a radius of 22 cm and is rotating at 4000 rpm.
A 10.0 kg block is to be projected across a rough horizontal floor by means of a compressed spring device. What is the work done by friction, in joules, as the block slides to a stop
An electric motor operates a pump that irrigates a farmer’s crop by pumping 10 000 L of water a vertical distance of 8.0 m into a field each hour. The motor has an operating resistance of 22.0\Omega and is connected across a 110-V source.
When point charges q1 = +1.7 ?C and q2 = +8.7 ?C are brought near each other, each experiences a repulsive force of magnitude 0.30 N
Two long, straight, parallel wires carry the similar current in te same direction. (A) Use both the right-hand source and force rules to decide whether the forces on the wires are (1) attractive or (2) repulsive.
A particle of mass m is confined to move, without friction, in a vertical plane, with axes x horizontal and y vertically up. The plane is forced to rotate with constant angular velocity Omega about the y-axis. Find the quations of motion for x and y..
charges of 4.0 microc and -6.0 microc are placed at two corners of an equilateral triangle with sides of 0.10 m. at the
A 0.145 kg baseball pitched at 38.0 m/s is hit on a horizontal line drivestraight back toward the pitcher at 52.0 m/s. calculate the average force between the ball and bat during contact
For an electron at the n = 10 level in hydrogen, find all sets of allowed quantum numbers. How many different sets are there
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