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Q1. A car slows down with an acceleration that has a magnitude of 3.6 m/s2. While doing so, it travels 113 m in the +x direction and ends up with a velocity of +4.4 m/s. What was the car's initial velocity?
Q2. When you weigh yourself on good old terra firma (solid ground), your weight is 135 lb. In an elevator your apparent weight is 113 lb. What are the direction and magnitude of the elevator's acceleration?
Q3. You're driving down the highway late one night at 18 when a deer steps onto the road 36 in front of you. The reaction time before stepping on the brakes is 0.50, and the maximum deceleration of your car is 12.
When G was first measured by Henry Cavendish, newspapers of the time hailed his experiment as "weighing Earth experiment." And Why.
A child goes down a playground slide with an acceleration of 1.22. Find out the coefficient of kinetic friction between child and slide if the slide is inclined at an angle of 31.0 below the horizontal.
A 1.20 liter flask contains a certain quantity of ideal gas at 305 K. next an equal number of molecules of the same gas are added to the flask, after which the absolute pressure is 1.30 times its original value. What is the final temperature.
What is sign and magnitude of charge
Analyse the instantaneous velocity of the car
A plane first moves from the origin to point A located at 170 km in direction of 30 degree north of east after that it flies 150 km 20 degree west of north to point B finally it flies 195 km due west to point C. find the location of C from origin.
Some athletes can put out as much as 800 watts in short bursts. If you could sustain such energy output long enough to reach the top of a mountain, how much time would it take you to get there from the valley, 3000 meters below the peak? So how does ..
The angular momentum of Earth is constant
Evaluate the stability of of Na in the NaCl structure
Which of following statements is correct
A 1.78 m long air column is open at both ends. The frequency of a certain harmonic is 828 Hz, and the frequency of the next-higher harmonic is 920 Hz. find out the speed of sound in the air column.
A 0.180 kg baseball, travelling 32.0 m/s, strikes catcher's mitt that recoils 13.0 cm in bringing the ball to rest. What was an average force (in newtons) applied by the ball to the mitt.
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