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Q. If the height of the water slide in the figure is h = 3.3 m and the person's initial speed at point A is 0.48 m/s, what is the new horizontal distance L between the base of the slide and the splashdown point of the person?
Q. what is the shortest height a plane mirror must be so that a person 1.6 meters tall is able to see his or her whole body?
What is clowns total displacement
An object, at the top of a very tall building, is released from rest and falls freely due to gravity. Neglect air resistance and compute distance covered by the object between times t1 = 5.5 s and t2 = 7.9 s after it is released.
A 21.5 g bullet strikes a 0.650 kg block attached to a fixed horizontal spring whose spring stiffness constant is 7.30 x 10^3 N/m and sets it into vibration with an amplitude of 21.5 cm. What was the speed of bullet before impact if the bullet and bl..
In coming to a stop, car leaves skid marks 78 long on the highway. Assuming a deceleration of 7.1 estimate the speed of the car just before braking.
The leg and cast weigh 177N (w1). Find out the weight w2 and the angle α required so that no force is exerted on the hip joint by the leg plus cast.
How to design atrium of a new building
When the electric power was turned off, the electric motor originally running at 1800 rpm comes to rest in 15.0 s. Find out the angular acceleration, the angular velocity at the end of 5.0 s, and the total angle turned through in 15.0 s.
Tim and Rick both can run at speed and walk at speed, with. They set off together on a journey of distance. Rick walks half of the distance and runs the other half. Tim walks half of the time and runs the other half.
A fire hose ejects a stream of water at an angle of 31.20° above the horizontal. The water leaves the nozzle with a speed of 24.50 m/s. assume that the water behaves like a projectile, how far from a building should the fire hose be located to hit..
At the beginning of the interval the astronaut is moving toward the right along the x-axis at 15.40, and at the end of interval she is moving toward the right at 5.40.
If the elevator's descending speed is measured at 10 m/s at a given point, but its speed is decreasing by 2.7 m/s2, what is a force exerted by the scale.
How to find out an initial speed of the bullet
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