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A spring-loaded cannon aimed at 41 o above the horizontal is on the last car of a long train of flat cars. The train has an initial velocity of 57 km/h. At the moment the train begins to accelerate forward at 0.345 m/s2 the cannon fires a projectile at 182 m/s. The cannon points in the direction that the train is moving. What is the horizontal range observed by a person standing on the ground?
Ball 1, with mass of 100g and traveling at 10 m/s, collides head-onwith ball 2, which has a mass of 300g and is initially at rest. What is the final velocity of each ball
in millikans experiment an oil drop of radius 2.197 microm and density 0.848 gcm3 is suspended in chamber c when a
a disoriented physics professor drives 3.33 north then 4.69 west and then 1.61 south.1-use components to find the
Liquid-detecting prism devices may be used in a washing machine or other liquid-containing devices. If no liquid covers the prism's hypotenuse, total internal refletion from the light source produces a large signal in the light sensor.
A room has two opposing walls which are tiled. The remainingwalls, floor, and ceiling are lined with sound-absorbent material. What are the amplitudes of each the two seperate modes
Suppose the cloud of atoms is cooled to one micro-Kelvin. Calculate the root mean square speed of the rubidium atoms. [The atoms are at such low density that they remain in a (metastable) gas phase].
an object of unknown mass is initially at rest and dropped from a height h. it reaches the ground with velocity v1. the
The drawing shows a wire composed of three segments, AB, BC, andCD. There is a current of I = 2.9A in the wire. There is also a magneticfield B (magnitude= 0.24 T) that is the same everywhere and pointsin the direction of +z axis.
Phobos is a moon of mars with a diameter of 22.5 km and a mass of 1.08 x 10^16 kg. It is located at a distance of 9,377 Km from Mars. what is the center of mass for the Mars-Phobos System
A 4000.0 kg spaceship is traveling toward the moon at a velocity of 20.000 km/s. At the rear of the spaceship, What is the spaceship velocity after the rocket fires
Suppose the temperature of 4.72 L of ideal gas drops from 351 K to 275 K. (a) If the volume remains constant and the initial pressure is atmospheric pressure, Find the number of moles of gas
Two 3.50g beads (point charges) are hanging on threads and repel each other after being equally charged. What is the charge on each bead
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