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An artillery shell is fired with an initialvelocity of 300 m/s at 52.0° above the horizontal. To clear an avalanche, itexplodes on a mountainside 44.0 s afterfiring. What are the x and y components of theshell where it explodes, relative to its firing point?
A car, initially traveling with a uniform velocity, accelerates at a rate of 1.0 m/s^2 for a period of 12 seconds. If the car traveled 190 m during this 12 second period, what was the velocity of the car when it started to accelerate?
How much time does the stone take to reach the ground.
Two spheres, fastened to "pucks" riding on a frictionless air track, are charged with +2 × 10-8 C, and +6 × 10-8 C, correspondingly. Both objects have the same mass. As they repel.
If two tiny identical spheres attract each other with a force of 2.00 when they are 26.0 apart, what is the mass of each sphere
To measure signal propagation in a nerve in the arm, the nerve is triggered near the armpit. What is the speed of propagation along this nerve
A 2.00-m tall basketball player is standing on the floor 10.0 m from the basket. If he shoots the ball at a 40 degree angle from the horizontal, at what initial speed must he throw the ball so that it goes through the basket without striking the b..
A uniform horizontal rod of mass (M) and length (l) rotates with angular velocity (omega) about a vertical axis through its center. Determine the angular momentum of the system about the axis
Two conductors are made of the same material and have the same length. Conductor A is a solid wire of diameter 1.2 mm, What is the resistance ratio RA/RB , measured between their ends
The specific heat capacity of the material use to make the block is C resolve the temperature rise that results from the collision in terms of C and the other given quantities.( suppose that no energy is transferred to the track or the surrounding..
A small statue has a height of 3.4 cm and is placed in front of a concave mirror. Find the focal length of the mirror
A Meteorite Strikes On October 9, 1992, a 27-pound meteorite struck a car in Peekskill, NY, leaving a dent 22 cm deep in the trunk. If the meteorite struck the car with a speed of 130 m/s , what was the magnitude of its deceleration, assuming it t..
A motorcycle and rider have a total mass of 289 kg the rider applies the brakes, What is the net force (in Newtons) on the motorcycle and rider combination
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