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A snowball rolls off a barn roof that slopes downward at an angle of 40 degree. The edge of the roof is 14.0 meter above the ground, and the snowball has a speed of 7.00 m/s as it rolls off the roof. Neglect air resistance.
Find how far from the edge of the barn does the snowball strike the ground if it doesn't strike anything else while falling?
q. a small statue is recovered in an archaeological dig. its weight is measure to be 211.2 lb and its volume 0.176 ft3.
A 5.0×10?2 kg arrow hits the target at 25 m/s and penetrates 3.8cm before stopping. What average force did the target exert on the arrow
To make a simple microscope a student places two converging lenses of +20 D at opposite ends of a 34 cm long tube. What is the tube length of the microscope
Light from the sun is incident on the surface of a pond with a smooth surface. The light strikes the surface at the angle of 30 to the surface and is partially reflected. What is the angle of reflection for the reflected portion? What is an angle of ..
the space shuttle takes off from cape canaveral in florida and orbits earth 17 times before landing back at cape
a certain light truck can go around a flat curve having a radius of 150 m with a maximum speed of 34.0 ms. with what
A steel cable with total length 30 m and mass 100 kg is connected to two poles. Calculate the wavelength of the resulting wave on the cable
A piece of copper with a mass of 1.0kg and density of 8900kg/m^3 is suspended from a string and conpietely in a contaner with water. determine the volurm of the piece of copper
Hold a pocket mirror at almost arm's length from your face and note the amount of your face you can see. To see more of your face, must you hold the mirror closer or farther, or would you have to have a larger mirror?
External Work equal to 4 x 10^-7 j is needed to move a -5-nC charge at constant speed to a point at which the potential is -20V. What is the potential at the initial point
If light enters the window from outside at 23.0° to the normal, at what angle to normal does it exit the window on the inside.
An athlete at the gym holds a 1.8-kg steel ball in his hand. His arm is 74-cm long and has a mass of 4.00 kg. What is the magnitude of the torque about his muster if he holds his arm straight out, parallel to the floor.
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