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An aircraft starts at rest and is accelerated at 7.5 m/s2 for 11.9 sec, at which time the aircraft launches. Find the distance traveled from starting point to launch point? Suppose the acceleration is constant.
A girl with a mass of 47.1 kilogram running at a speed of 6.58 m/s jumps onto a stationary skateboard with a mass of 8.99 kilogram. Find what is their combined speed after the collision
One type of slingshot can be made from a length of rope and a leather pocket for holding the stone. Determine the angular speed of the stone at the moment of release
Two people are carrying a uniform wooden board that is 3.00 m long and weighs 160 N. If one person applies an upward force equivalent to 60 N at one end, at what point does the other person lift . If the tangential acceleration of a yo-yo at the en..
Tension is maintained in a string. The observed wave speed is 25 m/s when the suspended mass is 3.0 kg. (a) What is the mass per unit length of the string?
A clarinetist, setting out for a performance, grabs his 3.19-kg clarinet case (including the clarinet) from the top of the piano, Find the case\'s vertical acceleration
A dog pulls on a pillow with a force of 2.2 N at the angle of 40° above the horizontal. Find the x and y components of the force.
A compact disk player has just been turned off. A disk deceleratesuniformly from an initial angular velocity of 7.55 rev/s. The disk rotates through 6.00 revolutions before coming to rest. What is thetangential acceleration of a point on the disk 4.6..
The invaders’ thermometer shows the temperature on earth to be 58 °I. Using logic similar to that in Example 1 in the text, illustrate what would this temperature be on the Celsius scale?
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of1.70 mm. What is the surface charge density? What is the capacitance?
Three people pull simultaneously on a stubborn donkey. Jack pulls directly ahead of the donkey with a force of 81.7 N, Find the magnitude of the net force the people exert on the donkey
A ball is thrown on a projectile path with an initial vertical velocity of 30 m/s. find the initial horizontal velocity
a potential difference is applied between the electrodes in a gas discharge tube. in 2.0 s 3.1 x 1016 electrons and 1.1
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