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Q. An artillery shell is fired with a minimal velocity of 470m/s at 50o above the horizontal. To clear an avalanche, it explodes on a mountain side 38 s after firing.
What is the X-coordinate relative to its firing point?
Q. A 2.60 multiplied by 102 g sample of water at 80°C is mixed with 2.60 multiplied by 102 g of water at 25°C. Suppose no heat loss to the surroundings. What is the final temperature of the mixture?
A piston, A, as shown below, has a diameter of 0.61 cm. A second piston, B has a diameter of 3.7 cm. Determine the force, F, necessary to support 500.0 N weight in the absence of friction.
A ballplayer standing at homeplate hits a baseball that is caught by another player at the same height above the ground from which it was hit. The ball is hit with an initial velocity of 21 m/s at an angle of 54° above horizontal.
For a damped oscillator with a mass of 380g, the spring constant 120 N/m and a damping coefficient of 76 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 28 cycles.
Calculate the magnetic field at the observation location. The space shuttle releases a satellite into the circular orbit 565 above the Earth. How fast must the shuttle be moving (relative to Earth) when the release occurs.
Two violin strings are tuned to the same frequency, 294 Hz. The tension in one string is then decreased by 1.5 %. What will be the beat frequency heard when the two strings are played together.
If the car is going 55m/s, how many meters will it travel before it stops? How many meters will it takes to stop car going twice as fast.
A plastic ball in a liquid is acted upon by its weight and by a buoyant force. The weight of the ball is 4.8N. The buoyant force has a magnitude of 6.5N and acts vertically upward. External force acting on the ball maintains it in the state of res..
The magnitude of the force of friction acting on the block between A and is 1.2N and points A and B are 0.5 m apart. If the kinectic energies of the block at A and B are 4J and 5.6 J, respectively, how much work is done on the block by the force p..
make Use of Stefans law to calculate the total power. What is the magnitude and direction of the force she exerts on you.
Light of wavelength 470 nm in air enters a fishbowl filled with water, then exits by the crown-glass wall of the container. Find the wavelengths of the light (a) in the water and (b) in the glass.
A highway curve of radius 500 m is designed for traffic moving at a speed of 73 km/hr. What is the correct banking angle of the road.
Find a largest image that can be completely imaged on a 35mm film.
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