Determining the component of cannonball velocity
A cannon tilted upward at 24° fires a cannonball with a speed of 110 m/s. What is the component of the cannonball's velocity parallel to the ground?
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Assuming a surface temperature of 3.75°C, find the temperature (in Celsius) at a depth of 35.0 km (near the base of the crust). Ignore the heat generated by the presence of radioactive elements.
the electric field on the surface of an irregular shaped conductor varies from 78.0 kN/C to 16. kN/C. calculate the local surface charge density at the point on the surface where the radius of curvature of the surface is:
A carpenter places a board weighing 30 lb on the edge of the roof 24 ft above the ground. How much potential energy does the board have in relation to the ground?
how much force F_biceps must the biceps exert to hold a 650 g ball at the end of the forearm at distance d_ball = 33.0 cm from the elbow, with the forearm parallel to the floor? How much force F_elbow must the elbow exert?
A stone is dropped from ayala bridge, if hte sound of the splash reaches the deck 3 seconds late. how high is the deck above water?assume that the sound travel is 342m/s
A handball of mass 0.10 kg, traveling horizontally at 25 m/s, strikes a wall and rebounds at 19 m/s. What is the change in the momentum of the ball?
A student who weighs 470 N is wearing a backpack that weighs 88 N. The student is standing still on level ground. What is the magnitude of the net force on the student?
To determine if the ball clears the cross- bar, what is its height with respect to the crossbar when it reaches the plane of the crossbar?
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