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A sprinkler mounted on the ground send out a jet of water at 30 degrees angle to horizontal. The water leaves the nozzle at a speed of 12 m/s. How far does the water travel before it hits the ground?
Illustrate what average power must the winch supply in order to accelerate a 174-kg ultra-light glider from rest to 23.0 m/s over a horizontal distance of 50.0 m? Assume that friction and air resistance are negligible, and that the tension in the ..
If the projectile rises to a maximum height of only 10.2 m, identify the magnitude of the average force due to air resistance.
A 116 g Frisbee is 28 cm in diameter and has about half its mass spread uniformly in a disk, and the other half concentrated in the rim. What is the rotational inertia of the Frisbee
An electron has a de Broglie wavelength ? = 7.0×10?10m, What voltage was needed to accelerate it to this speed and What is its speed
When the density of the string is changed, say increased, what is the effect on the frequency required to obtain a given number of loops
Speedboat A negotiates a curve whose radius is 124m. Speedboat B negotiates a curve whose radius is 230m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
In a crash test, a 1100 kg car slams into a concrete wall at 17.1 m/s and comes to rest in 0.275 s. a)Find out the magnitude of the impulse delivered to the car.b) Find the average stopping force.
A 1.8 cm high object is placed 30 cm from a concave mirror with radius of curvature 30 cm. Determine the object's image size
What does it means when I say that a light truck and a heavy truck have the same momentum, What is renewable energy
How much energy was added to accomplish the transformation. What force must be exerted on the smaller piston to support the load.
Light of wavelength 587.5 nm illuminates a slit of width 0.75 mm. Calculate the width of the central maximum
A pie plate is filled up to the brim with pumpkin pie filling. The pie plate is made of Pyrex and its expansion can be neglected. It is the cylinder with an inside depth of 2.10 cm and an inside diameter of 30 cm.
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