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If the net work done on an object is zero, what can you determine about the object's kinetic energy?A. The object's kinetic energy is zero.B. The object's kinetic energy is increasing.C. The object's kinetic energy is decreasing.D. The object's kinetic energy remains the same.
A motorboat heads due east at 11.00 m/s across a river that flows toward the south at a speed of 3.40 m/s. What is the resultant velocity relative to an observer on the shore? If the river is 1360m wide, how long does take the boat to cross.
The initial angle of the ball’s motion off the tee is 29.0° above the horizontal. If the tee level is 17.0 m above the level of the fairway, explain how far east of the tee does the ball hit the fairway?
an object fired at an angle of 36.5 degrees above the horizontal takes 1.58 s to travel the last 16.5 m of its vertical distance and the last 12.8 m of its horizontal distance
An electron moving in one dimension is confined between two walls seperated by a distance L = 10^-10 m. What is the average force that the electron exerts on the walls
A diatomic molecule is excited to its first rotational energy level, corresponding to J = 1. what is the angular speed of the molecule about its center of mass
The resistance of a very fine aluminum wire with a 20.0um* 20.0um square cross section is 1000 ohms. How many turns of wire are needed
A projectile is launched into the air with an initial speed of vi at a launch angle of 30 degrees above the horizontal. Calculate the horizontal distance traveled by the projectile
A 1.86- sound wave travels through the pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward the sound receiver as heart beats. The reflected sound is after that mixed with the transmi..
If electrons are accelerated from rest in an electron gun by sending them through a potential difference of 11.0 kV
A flagpole of length 11 m and mass 23 kg is hinged at one end, where it is connected to a wall. Find the tension in the cable
Find tension in the back muscle and the compressional force
A loop of wire in the shape of a rectangle rotates with a frequency of 162 rotation per minute in an applied magnetic field of magnitude 3 T, Find the maximum current through the bulb
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