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A projectile is launched vertically from the surface of the Moonwith an initial speed of 1500 m/s. At what altitude is the projectile's speedone-half its initial value?(in km)
A spherical bowling ball with mass m = 3.2 kg and radius R = 0.107 m is thrown down the lane with an initial speed of v = 8.7 m/s. What is the magnitude of the final velocity
In Rutherford's famous scattering experiment, α particles (helium nuclei) were fired at 2.0 x 10^7 m/s over a large distance toward a gold nucleus with charge +79e. How close does the α particle get before turning around?
A 3.93-g bullet, traveling at a speed of 421 m/s, strikes thewooden block of a ballistic pendulum, such as that in Figure 7.14.The block has a mass of 250 g. (a) Find the speed of thebullet/block combination immediately after the collision.
Determine the net charge contained within the cube.
A merry-go-round starts from rest and accelerates uniformly over 27.0 s to a final angular velocity of 7.75 rev/min, Find the person's maximum radial acceleration
A scientist changes the frequency of an incident X-ray to 4.50e19 Hz and measures the deflected X-ray frequency of 4.32e19 Hz. What was the angle of deflection
You have a circular swimming pool with a diameter of 3.60 m. If you pump water into the pool at a rate of 1.87 x 104 cm3/s, how fast is the level of the water rising
Car is traveling at constantspped, passes a car stopped, it accelerates at 7m/s2 , what is final velocity of originally stopped car
On a dry road, a car with good tires may be able to brake with a constant deceleration of 3.19 m/s2. How long does such a car, initially traveling at 22.2 m/s, take to stop
You are to build a box whose height is 0.280 times its length. what should be the ratio of the width of the box to its length
How is single slit diffraction pattern and intensity affected by the width of the slit, the distance of the slit from the screen, Which of these parameters affects the pattern most
the displacement of a string carrying a traveling sinusoidal wave is given byyxt ym coskx - 2pft - fat time t 0 the
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