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Two small particles have charges Q1 = +2.5 ?C and Q2 = ?5.5 ?C. If the magnitude of the electric force between the particles is 110 N, what is the distance between the particles?
Suppose a car is traveling at 13.0 m/s, and the driver sees a traffic light turn red. After 0.570 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 9.00 m/s2. What is the stopping distance of the car, as ..
A 1100 car traveling at a speed of 40 skids to a halt on wet concrete where = 0.50. How long are the skid marks.
A car carrying a 77-kg test dummy crashed into a wall at 27m/s and is brought to rest in 0.1 s. demonstrate that the average force exerted by the seat belt on the dummy is 18,760N.
A block with mass m = 7.0 kg is attached to two springs with spring constants kleft = 37.0 N/m and kright = 48.0 N/m. The block is pulled a distance x = 0.21 m to the left of its equilibrium position and released from rest. 1) What is the magnitud..
Find the electric field at the position of the electron. What is the potential difference in volts between the plates.
At time a grinding wheel has an angular velocity of 22. It has a constant angular acceleration of 28.0 until a circuit breaker trips at time = 1.60 . From then on, the wheel turns by an angle of 438 as it coasts to a stop at constant angular decel..
A bicycle wheel is rotating at 45 when the cyclist begins to pedal harder, giving the wheel a constant angular acceleration of 0.42.
A steel rod (? = 7860 kg/m3) has a length of 2.19 m. It is bolted at both ends between immobile supports. Initially there is no tension in the rod, because the rod just fits between the supports. Find the tension that develops when the rod loses 3..
What time would an observer on one of the two planets measure for the similar trip. Find out the coordinates of the center of gravity for this system.
find the magnitude and direction of the resultant force A + B that is applied to the stump. Specify the direction with respect to due east.
how to calculate the average velocity between to minutes. Estimate how for you can throw a ball if you throw it in the following situations.
What is Newtons Version of Keplers Third Law
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