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You are at the controls of a particle accelerator, sending a beam of 2.70×107 protons (mass ) at a gas target of an unknown element. Your detector tells you that some protons bounce straight back after a collision with one of the nuclei of the unknown element. All such protons rebound with a speed of 2.40×107. Assume that the initial speed of the target nucleus is negligible and the collision is elastic.
Because of your knowledge of physics, you head your boat 44° west of north and have a velocity of 8.0 m/s due north relative to the shore. Illustrate w hat is the velocity of the current? What is your speed relative to the water.
Consider a particle moving in an elliptical orbit in an inverse square law central force field. What is the eccentricity of the orbit
The sun produces energy by nuclear fusion reactions, in which matter is converted into energy. How many kilograms of matter does the sun lose each second
Copper wire (resistivity 1.7x10-8 italic capital omega space straight m , circular cross section with radius 2.34 mm) is used to form 2 thousand circular loops of wire in a solenoid
question1a 5.0m diameter garden pond holds 1.59x103 of water. solar energy is incident on pond at an average rate of
When a clock reads 3 s, a cart's velocity in the positive x direction reads 5m/s, What is the magnitude in m/s^2 of the acceleration of the cart
In the figure below, two particles are launched from the origin of the coordinate system at time t = 0. Particle 1 of mass m1 = 5.00 g is shot directly along an x axis (on a frictionless floor), where it moves with a constant speed of 13.0 m/s. Pa..
Concrete is pumped from a cement mixer to the place it is being laid, instead of being carried in wheelbarrows. What is the viscosity of the concrete, assuming the flow is laminar
A 15 kg block is accelerated at 2.0 m/s2 up a frictionless plane inclined at 5.0° to the horizontal, with the speed increasing from 10 m/s to 24 m/s. What is the change in the block's mechanical energy
What apparent free-fall acceleration is experienced by the managers remaining on the rim assume that the average mass for each inhabitant is 65kg.
A circus performer stretches a tightrope between two towers. He strikes one end of the rope and sends a wave along it toward the other tower. He notes that it takes the wave 0.795 s to reach the opposite tower, 20.0 m away. If a 1 meter length of ..
We supply 132.4 Joules of heat to an engine with 15.60% efficiency. How much work can the engine do
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