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Charge q1 = 5.47*10^-8 is placed at the origin. Charges q2 =-1.45*10^-8 C and q3 = 1.95*10^-8 C are placed at points (0.249 m,0 m) and (0 m,0.265 m) a) Determine the magnitude of the net electrostatic force on charge q3. b) Determine the direction of the net electrostatic force on charge q3 (angle with respect to the positive x-axis).
Suppose that the net horizontal force is as a result of rolling friction only and take the free-fall acceleration to be g = 9.80 m/s^2.
What is the caused by sun wind in upper atmosphere
A stunt man whose mass is 70 kg swings from the end of a 4.40-m long rope along the arc of a vertical circle. Assuming that he starts from rest as rope is horizontal, find out the tensions in the rope that are required to make him follow his circu..
Moe, Larry, and Curly stand in a line with a spacing of = 1. Larry is 3.00 in front of a pair of stereo speakers 0.8 apart. The speakers produce a single-frequency tone, vibrating in phase with each other.
At this time it has reached a height of 420 metres above launch pad and attained an upward velocity of 50 ms-1. From this time on, the rocket has constant upward acceleration -10 ms-2 (due to the effect of gravity alone).
Does the force that your hand exerts on the bag's handle do any work? Define. Does this force do any work while you are riding up an escalator at a constant velocity.
A 2{rm kg} box rests on a plank that is inclined at an angle of 65 ^circ above the horizontal. The upper end of the box is attached to a spring with a force constant of 390 N/m.
Consider a system composed of a mixture of 2.50kg of ice and 50 gr of liquid water and a small separate container of finely powdered salt. This physical system is contained in a fully insulated container that prevent.
If the height of the candies in the container increases at the rate of 0.26 cm/s, at what rate (kilograms per minute) does the mass of the candies in the container increase?
How much force does a 150,000 N/C force exert on a deuteron.
Draw vectors indicating the normal force. suppose that the weight of the femur is negligible compared to the applied downward force.
How much time would it take for her to emit a net radiant.
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