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A 2.0-kg block slides along a rough horizontal surface. A force(P=6.0N) is applied to the block at a 30degree angle. The magnitude of the block's accerleration is 1.2 m/s^2. What is the magnitude of the force of friction acting on the block?
What is the maximum speed of the ball.
A 2.5 kg stone is dropped from a height of 4m. What is its momentum on impact
Air expands through a turbine from 10 bars, 900K to 1 bar, 500K. The inlet is small compared to the exit velocity of 100m/s. Calculate the mass flow rate of air
Positive point charges q and 2q are located at x = 0 and x = 3d, respectively. What is the electric field at x = d (point P)? (Use any variable or symbol stated above along with the following as necessary: k for Coulomb constant.) magnitude E = di..
If a 500.0g cart had its velocity change from 1.65 m/s to 1.23 m/s over a period of 2.50 seconds. Calculate and record the force acting
What is the magnitude of the torque about the point where the beam is bolted into place.
A lens produces a magnification of -1.8 when an object is placed 2.5 cm from the lens. compute the focal length of the lens?
A 150- crate, starting from rest, is pulled across a floor with a constant horizontal force of 360 . For the first 11 the floor is frictionless, and for the next 11 the coefficient of friction is 0.31. Illustrate what is the final speed of the c..
A 7.50 nC charge is located 1.80 m from a 4.20 nC charge. (a)Find the magnitude of the electric force that one particle exerts on the other. (b) Is the force attractive or repulsive?
explain the separation between the two sources. What is the displacement of the car between 3 P.M. and 6 P.M.
In the two-slit experiment, monochromatic light of wavelength 600 nm passes through a pair of slitsseparated by 2.20 x 10-5 m. What is the angle corresponding to the first bright fringe
An object has a kinetic energy of 317 J and the momentum of magnitude 24.0 kg · m/s.
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