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A block of mass, M=1 kg, is released from top of an incline.The block slides down the plane and attains a final speed of 6 m/sat the bottom. it then slides horizontally on a frictionles surface, and collides and sticks to another block of mass, m=0.25kg, which is at rest.
what is the coefficient of kinetic friction of the incline plaine?
you hear the sonic boom of a high speed jet plane exactly 2.90 s after it passes directly overhead in level flight. what is the altitude of the plane
A 100-watt light bulb is brighter than a 25-watt light bulb because it uses more power. Which bulb has a greater resistance, the 100-watt or the 25-watt light bulb
Assume that the pressure in a room remains constant at 1.01 x10^5 Pa and the aire is composed only of nitrogen. The volumeof the room is 60.0 m^3. what mass of air (in kg) escapes from the room
A spherical shell of copper with an outer diameter of 19.0 cm floats on fresh water with one third its volume above the water's surface
A boat moves through the water of a river at 10-m/s relative to the water, regardless of the boat's direction. If the water in the river is flowing at 1.6-m/s.
A 180 W light bulb is plugged into a standard 110 Voutlet. How much does it cost per month (31 days) to leavethe light turned on, evaluate What is the current of the bulb
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1230 Hz. The bird-watcher, however, hears a frequency of 1260 Hz. What is the speed of the bird, expressed as a percentage of the speed of sound?
a simple harmonic oscillator with frequency f 2 hz has initial conditions x0 0.76m and v0 0.31 ms. calculate the
The volume of an ideal gas is adiabatically reduced from a volume of 200 L to a volume of 74.3 L. How many moles are in the gas
When a fighter pilot makes a very quick turn, he experiences a centripetal acceleration. What is the minimum radius of curvature that he can take without blacking out
During physic lecture a lone ant makes it way across the classroom floor in two distinct stages starting from the wastebasket, Calculate the magnitude and direction of the ants resultant displacement vector
Blue light of frequency 6.0 1014 Hz falls on the surface of potassium, which has a work function of 2.26 eV. Find the maximum kinetic energy of emitted electrons
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