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You brake your Porsche with constant acceleration from a velocity of 23.6 m/s to 12.5 m/s over a distance of 105 m.
(a) How much time elapsed during this interval?
(b) What is the acceleration?
(c) If you were to continue braking with the same constant acceleration, how much longer would it take for you to stop and how much additional distance would you cover?
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0618 s, obtain the vertical components of the launch velocity
The electric field 5.90 from a very long charged wire is ( 2300 ,toward the wire).What is the charge (in nC) on a 1 cm-long segment of the wire.
In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the end of a rigid arm that rotates in a horizontal circle. How long is the arm of the centrifuge
A Volleyball is spiked so that it has an initial velocity of 15 m/s directed downward at an angle of 55 degrees below the horizontal. Find the horizontal component of the ball’s velocity when the opposing player fields the ball?
The displacement vectors 46.0 cm at 15.0° and 23.0 cm at 53.0° both start from the origin and form two sides of a parallelogram. Find the area of the parallelogram
Find out the magnitude and direction of the rockets acceleration. Give the direction as an angle above the horizonal.
If it takes 3.60 x10-13 s for a nitrogen molecule to hit the wall and rebound with the same speed but moving in an opposite direction (assumed to be the negative direction), what is the average acceleration of the molecule for the period of this t..
You are driving north on 107th Avenue at a speed of 28.7 mph. At what frequency do you year the siren
A bat at rest sends out ultrasonic sound waves at 49.4kHz, What is the received sound frequency
A seagull flies with a velocity of 12.5 m/s straight into the wind. (ie.. this the velocity of the gull relative to the wind), Calculate the speed of the wind
A rocket is fired at a speed of 82.0 m/s from ground level, at an angle of 31.0 ° above the horizontal. find By how much does the rocket clear the top of the wall
A circular loop of wire of radius 12.5 cm is placed in a magnetic field directed perpendicular to the plane of the loop, calculate the magnitude of the emf induced in the loop
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