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A 4 kilogram block (block A) is released from rest at the top of a 20 meter long frictionless ramp that is 4 meter high. At the equal time, an identical block (block B) is released next to the ramp therefore that it drops straight down the same 4 meter. Determine the values for each of the following for the blocks just before they reach ground level.
(a) Gravitational potential energy
(b) Kinetic energy
(c) Speed
(d) Momentum
Points A, B, and C are at the vertices of an equilateral triangle. A certain positive charge q placed at A produces anelectric field of magnitude 490 N/C at C.Suppose a second, identical charge is placed at B. What is themagnitude of the new electric..
you measure wavelength divided by 2 to be 70cm. The temperature in the lab is 22 degrees celsius. What is the frequency of the resonance
A person on a safari wants to take a photograph of a hippopotamus from a distance of 75.1 m. What would be the size of the image if a lens of 50.0-mm focal length were used
q1. starting from rest a basketball rolls from the top of a hill to the bottom getting a translational speed of 7.36
A solid, uniform sphere of mass 2.0 kg and radius 1.7 m rolls without slipping down an inclined plane of height 6.7 m. What is the angular velocity of the sphere
A jet plane begins a dive with an initial speed of 135 m/s and accelerates along its path at 20 m/s^2, find the acceleration of the plane at the bottom of the circular path
A 0.037 kg aluminum bullet traveling at 460 m/s strikes an armor plate and comes to a stop. what is the bullet's temperature change in degrees Celsius
A soccer ball is kicked with an initial horizontal velocity of 19.0 m/s and an initial vertical velocity of 13.0 m/s. find the initial angle of the ball with respect to the ground
An electron is fired with speed 2400 m/s into a region of uniform electric field with magnitude 8 N/C. how long will it take for the electron to come to a stop
The triceps muscle in the back of the upper arm extends the forearm. What is the moment of inertia of the boxer's forearm
A lead ball is dropped into a lake from a diving board 9.98 m above the water. How deep is the lake
An elementary particle called a pi meson (or pion for short) has an average lifetime of 2.6×10?8s when at rest. Find the average distance traveled by the pion as measured by the same observer
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