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A 4.00-kg block rests between the floor and a 3.00-kg block as shown in the figure. the 3.00-kg block is tied to a wall by a horizontal rope. assume there is friction between the two blocks as well as between the surface and the 4.00-kg block. if we were to draw a free body diagram for the 4.00-kg block, how many forces would we draw acting on the block?
A coffee filter of mass 1.5 grams dropped from a height of 1 m reaches the ground with a speed of 0.7 m/s. How much kinetic energy Kair did the air molecules gain from the falling coffee filter.
find the period of this oscillation.
Hail comes straight down at a mass rate of m/%u0394t = 0.030 kg/s and an initial velocity of v0 = -10 m/s, calculate the force exerted by the hail on the roof
A 1200 turn coil in a dc motor has an area per turn of 1.1 * 10-2m-2. What is the current in the coil
A parachutist with a camera descends in free fall at a speed of 11 m/s. The parachutist releases the camera at an altitude of 100 m. How long does it take the camera to reach the ground
A plane has a resultant velocity of 550 m/s N of E and airspeed 350 m/s east. Find the velocity of the wind
A 9.60cm -long solenoid of diameter 0.405cm is wound uniformly with 750 turns, What is the mutual inductance of the combination of the two coils
Suppose a uniformly charged (with a linear charge density) wire starts at point 0 and rises vertically along the positive axis to a length. Determine the x-component of the electric field at point. That is, compute near one end of a long wire, in the..
Three 1kg masses are at the vertices of an equilateral triangle of sides 10 cm. determine the location of the center of mass (x,y)
A certain protein molecule is hydrolyzed by an enzyme. How would you define this statement in your own words to someone who is not familiar with chemical terminology.
When jumping, a flea reaches a takeoff speed of 1.2 m/s over a distance of 0.46mm, What is the flea's acceleration during the jump phase and How long does the acceleration phase last
As a spacecraft approaches a planet, the rocket engines on it are fired (turned on) to slow it down so it will go into orbit around the planet. compute how long (in minutes) must the engines be fired
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