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Question1
A skateboarder shoots off a ramp with a velocity of 5.3m/s, engaged at an angle of 59 degrees above the horizontal. The end of the ramp is 1.2m above the ground. Let the x axis be parallel to the ground, +y direction to be vertically rising, and take as and origin the point on the ground directly under the top of the ramp. How high above the ground is the highest point that the skateboarder reaches? While the skateboarder reaches the highest point, how far is this point horizontally from end of the ramp?
Question2
A 67 kg boy and a 47 kg girl use an elastic rope as engaged in a tug-of-war on an icy, frictionless surface. If the acceleration of the girl toward the boy is 3.0 m/s2, discover the magnitude of acceleration of the boy toward the girl.
question1the large quadriceps muscle in upper leg terminates at its lower end in a tendon attached to upper end of the
A 3.10 kg steel ball strikes a wall with a speed of 10 m/s at an angle of 60 ° with the surface. It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.190 s, what is the average force exerted on the ball by th..
The temperatre result in each measurement are listed below, write down the formula for mean and calculate the temperature mean value
An electron beam in an oscilloscope is deflected by the electric field produced by oppositely charged metal plates. If the electric field between the plates is 2.75 105 N/C directed downward, what is the magnitude and direction of the force on eac..
question1a 1.00-kg beaker containing 2.09 kg of oil density 916 kgm3 rests on a scale. a 1.99-kg block of iron is
Evalute the acceleration of each block and the tension in the string? Repeat the problem, adding a coefficient of kinetic friction between each block and the surface of 0.10.
A football spends a total of 5 seconds in the air. It reaches a peak height of 30 meters. How long does it take to reach its peak height? The football has the range of 90 yards. What is its horizontal velocity.
A skateboarder shoots off a ramp with a velocity of 6.4 m/s, directed at an angle of 62° above the horizontal. How high above the ground is the highest point that the skateboarder reaches
A disk-shaped merry-go-round of radius 2.78mand mass 160kg rotates freely with an angular speed of 0.696rev/s. What is initial and final kinetic energy
A 2.65 kg mass oscillates back and forth on a spring with a velocity vector that varies as a function of time according to the following v(t)=(3.95cm/s) sin [0.79 rad/s], What is the maximum speed of mass
question1assume that you required making a pen for some small animals. you have 12 of fencing. you decide to make a
Blocks A (mass 7.00kg ) and B (mass 10.00kg ) move on a frictionless, horizontal surface. Find the maximum energy stored in the spring bumpers and the velocity of each block at that time. Find the maximum energy
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