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Problem: In frustration, you throw your physics book straight down from a cliff with an initial speed 23.8 m/s. The book hits the ground after 7.48s.
Part A: Ignore resistance, how high was the cliff?
Show all work and steps to find the magnitude of the external electric field.
Find the current that flows if the same potential difference. A 63 kg trampoline artist jumps vertically upward from the top of a platform with the speed of 4.8 m/s. If the trampoline behaves like a spring of spring constant 6.2×10^4 N/m, how far ..
A 7.42-g bullet is moving horizontally with a velocity of +362 m/s, where the sign + indicates that it is moving to the right, find the velocity of the second block after the bullet imbeds itself
The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. What is the weight of the heaviest bear that the ice can support without sinking completely beneath the water
what is the mass of the earths atmoshere (the radius of the earth is 6.37 x 10^6 m, and atomosheric pressure at the surface is 1.013 x 10 ^5 N/m^2)
A train is moving parallel and adjacent to a highway with a constant speed of 23 m/s. What is the speed of the car just as it passes the train
A fellow student of mathematical bent tells you that the wave function of a traveling wave on a thin rope isy(x,t)= 2.10mm cos[( 6.96rad/m )x+( 744rad/s )t]. Determine the average power transmitted by the wave
An electron has a speed of 0.750c. Find the speed of a proton that has the same kinetic energy as the electron
In fair weather, the electric field in the air at a particular location immediately above the Earth's surface is 127 N/C directed downward. What is the surface charge density on the ground
a simple pendulum has a period of 2.40 seconds at a location where g 9.810 ms2. what is the value of g at another
A 3.45 kg mass vertically compresses a spring 67.0 cm before it starts to rebound. How high will the Mass move above the uncompressed it the mass is left to "bounce" back up?
A square coil ( length of side = 24 cm) of wire is placed in a uniform magnetic field that makes an angle of 30 degree with the normal to the plane of the coil. what is the magnitude of the emf induced in the coil
A lab technician utilizes laser light with a wavelength of 650 nm to test a diffraction grating. When the grating is 40.7cm from the screen, the first-order maxima appear 6.10cm from the center of the pattern. How many lines per mm does this grating ..
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