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A spring gun (k = 29 N/m) is used to shoot a 56 gram ball horizontally. Initially the spring is compressed by 16 centimeter. The ball loses contact with the spring and leaves the gun when the spring is still compressed by 12 centimeter. Determine the speed of the ball when it hits the ground, 1.1 meter below the spring gun?
The diffusion constant for the alcohol ethanol in water is 1.24 10-9 m2/s. A cylinder has a cross-sectional area of 3.95 cm2 and a length of 1.84 cm. what mass of ethanol diffuses through the cylinder
A 82 kg explorer lands on Planet A, where the gravitational acceleration is 10.5 m/s^2. The radius of the planet is 7.91 x 10^7 m. What is the weight on this planet in Newtons? Express the answer to three significant digits.
assuming that water has a density of exactly 1 g/cm3. Find the mass of one cubic meter of water in Kilograms
The sphere of a Van de Graaff generator has a radius of 20 cm. The belt "pumps" charge into the sphere at a current of 0.22 ?A. Neglecting losses, What is the electric field inside the sphere
A balloon ofvolume 2.2 m3 contains argongas at a pressure of 6.3 105 Pa and room temperature (20°C). What is the total internal energy of the gas
a ball of mass 4kg starting from rest rolls down from a height of 5m to the ground level. hint pe mgh ke 12 mv2 use
A double slit experiment is performed with sodium(yellow) light of wavelength 589.3nm and the interference pattern is observed on a screen 100 cm away. determine the separation between slits
A string is wrapped around a disk of mass m = 1.9 kg and radius R = 0.12 m. Starting from rest, you pull the string with a constant force F = 8 N along a nearly frictionless surface. At this instant, how much rotational kinetic energy does the disk..
A particle leaves the origin with an initial velocity v = (1.00 ) m/s and a constant acceleration a = (-1.00 - 0.700 ) m/s^2. What is the position vector of the particle at this time
A 0.5-kg ball is loaded into a popgun. The ball is loaded with compressing a spring 0.1 m. The spring is initially not compressed, then, as it is compressed, the force increases up to a maximum of 10 N. The gun is then fired. What is the speed (in m/..
A 58 ice cube can slide without friction up and down a 28 slope. The ice cube is pressed against a spring at the bottom of the slope, When the ice cube is released
The three particles shown move along a straight line (1-D). One particle is initially moving to the right, while the other particles are stationary and separated slightly, as shown in the figure. The two stationary particles have the same mass whi..
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