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Q1. A 25.00 kg projectile is fired by accelerating it with an electromagnetic rail gun on the Earth's surface. The rail makes a 30.0 degree angle with the horizontal, and gun applies a 1250N force on the projectile for a distance of 7.50m along the rail. (a) ignore air resistance and friction, what is the net work done on the projectile, by all forces acting on it, as it moves 7.50m along the rail? (b) Assume it started at rest, what is its speed after it has moved the 7.50m?
Q2. A force of k is applied to an object for a small fraction of a second, t_k, less than the duration of one frame, t_f. Our simulation doesn't support applying forces for less than an entire frame, so if we wanted to simulate the effect of force k over duration of t_k, how much force must we apply over our frame duration, t_f?
Find out an average acceleration of the motorcycle
A submarine is 304 m horizontally out from the shore and 126 m beneath the surface of the water. A laser beam is sent from the sub so that it strikes the surface of the water at a point 232 m from the shore. If beam just strikes the top of a building..
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If, on other hand, she first kicks it to player 2, who then kicks it into the net, the ball undergoes two successive displacements, y and x. What are the magnitude and direction of x and y.
When she gets off the ride, she uploads the scale readings to a computer and creates a graph of scale reading versus time. Note that graph has a minimum value of 519 rm N and a maximum value of 666 rm N.
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Speedboat A negotiates a curve whose radius is 150m. Speedboat B negotiates the curve whose radius is 190m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
What is the Acceleration of an object moving on a circular track
However, the current begins to decrease as the resistive element warms up. When the toaster reaches its final operating temperature, the current has dropped to 1.53 A.
Find the position of the object to acquire real, magnified image, inverted, and virtual, upright image.
The first electron has the initial velocity v0 that makes an angle θ=45° with the lower plate and has a magnitude of 7.53×106 m/s. would this electron strike one of the plates? If so, what is the horizontal distance from the left edge? If not enter t..
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