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A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 21.0 m/s. The cliff is h = 36.0 meter above a flat horizontal beach.
Compute with what speed and angle of impact does the stone land?
m/s
° below the horizontal
A solenoid can be utilized to fire a small ball. A capacitor is utilized to energize the solenoid coil. How can I build a device by a capacitor charged to a maximum of 50V? What are the relevant parameters and how can I maximize the speed of the ball..
A 202 kg cart runs into the rear end of a 103 kg cart that is stationary. what is the speed of the cart before collision
Use the absolute derivative DA?/Du=dA?/du??(from ?? to ?)A? dx^?/du to prove that the inner (scalar) product of two vectors is preserved under parallel transport on a path if the connection defined on the manifold is a metric connection.
a. how much 235-u is consumed per year in gy to produce enough electricity to continuously run a 100-w light bulb?b.
An industrial laser is used to burn a hole through a piece of metal. The average intensity of the light is = 1.72 × 109 W/m2. What is the rms value of (a) the electric field and (b) the magnetic field in the electromagnetic wave emitted by the laser.
An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and slows it down. What is the work done by the force
In an LC circuit where L = 12 mH and C = 30 μF with anelectro magnetic oscillation the current amplitude is 2.5mA. find the natural frequency and the period of the oscillation
A student m = 81 kg runs at a velocity vi = 2.25 m/s before jumping on a skateboard. After jumping on the board the student has a velocity vf = 1.75 m/s. What is the mass of the skateboard in kg
A reflecting telescope has a main mirror with fM = 620 mm. If an eyepiece with a magnification of 15 is used, what is the total magnification of the telescope
q1. a uniform solid ball rolls smoothly along a floor then up a ramp inclined at 20.4o. it momentarily stops while it
You are designing a curve in a highway. If the turn is too sharp (the radius of curvature is too small), Find the minimum radius of curvature of a road
At an outdoor market, a bunch of bananas attached to the bottom of a vertical spring of force constant 16.0 N/m is set into oscillatory motion with an amplitude of 20.0 cm. What is the weight of the bananas in newtons
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