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a car traveling due east at 20 m/s reverses its direction over a period of 10 seconds so that it is traveling due west at 20 m/s. What is the direction of the car's average acceleration over this period?
Certain rifles can fire a bullet with a speed of 950 m/s just as it leaves the muzzle (this speed is called the muzzle velocity). What is the acceleration of the bullet within the rifle
What is current in the coil
A 2.5 kOHM and a .5kOHM resistor are connected in parallel; this combination is connected in series with a .583kOHM resistor. find the maximum voltage that can be applied by the battery
The reflected sound is then mixed with the transmitted sound and 90 beats per second are detected. The speed of sound in body tissue is 1480.
A 25-g rifle bullet travelling 280-m/s buries itself in a 3.6-kg pendulum hanging on a 2.8m long string, which makes the pendulum swing upward in an arc. Find out the vertical and horizontal components of pendulum's displacement.
An alpha particle with a kinetic energy of 6.00MeV makes a head-on collision with a gold nucleus at rest. What is the distance of closest approach of the two particles
An atomic nucleus of mass 288 u moving at 405m/s emits an alpha particle of mass 4.0 u in the direction of its velocity. If the remaining nucleus slows to 360m/s, what velocity does the alpha particle have when it is emitted.
Find the magnitude and direction of the force on a proton at x = -3.2 m, y = 0.9 m.
Starting with an initial speed of 5.00 m/s at a height of 0.335 m, a 1.50-kg ball swings downward and strikes a 4.60-kg ball that is at rest, How high does each ball swing after the collision
A grating has 530 rulings/mm and is 5.4 mm wide. How many higher orders of maxima can be seen
For nitrogen gas at 35 C calculate the vrms, the vp and the translational kinetic energy
What is the speed of light in crown glass (n = 1.52) and What is the speed of light in ethyl alcohol (n = 1.36)
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