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An explosion breaks an object, initially at rest, into two pieces, one of which has 1.40 times the mass of the other. If 7960J is the total kinetic energy of both fragments immediately after the explosion, how much kinetic energy did the heavier piece acquire?
How fast should a moving clock travel if it is to be observed by astationary observer as running at one-half its normal rate?
in a series circuit if resistor 1 had 148 ohms and resistor 2 had 266.9 ohms and the delta v is 5.41 what is the power
A 100N box initially at rest is pulled by a horizontal rope on a horizontal table the coefficients of kinetic, What is the friction force on the box if the pull is 35N and 75N
A new circus act is called the Texas Tumblers. Lovely Mary Belle swings from a trapeze, projects herself at an angle of 53, and is supposed to be caught by Joe Bob, whose hands are 6.10 above and 8.02 horizontally from her launch point. You can ignor..
A mass m is confined to move along a straight line in a potential well given by U(x) = - Eo/(1 + (x/a)2)3, Write the equation for the force acting on the particle
After crossing the finish line, the marathon runner stops, and then performs a celebratory vertical jump. what was the avg. force of the vertical ground reaction force
A satellite is in a 95.0 min period circular orbit 380km above Earth's surface. Find the satellite's speed
A net force of256N accelerates a bike and rider at2.23m/s2. What is the mass of the bike and rider together
A signal starts at x point. As it travels to y point it loses eight db. At point y the signal is boosted by ten db. As the signal travels to point z it loses 7 db.
The Earth has a radius of 6.38 × 10^6 m and is 1.49 × 10^11 meters from the Sun. If the intensity of solar electromagnetic radiation at the top of the Earth's atmosphere is 1330 W/m^2, what is the total radiated power output of the Sun?
A 475turn circular-loop coil17.0cm in diameter is initially aligned so that its axis is parallel to Earth's magnetic field. find the value of Earth's magnetic field at that location
A 0.060kg ball is propelled by a 1.10kg racquet from rest to a speed of 40.0m/s. If the two objects are in contact for 250ms, calculate the average force exerted by the racquet on the ball
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