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A 24 kg block slides with an initial speed of 14 m/s up a ramp inclined at an angle of 25o with the horizontal. The coefficient of kinetic friction between the block and the ramp is 0.6. Use energy conservation to find the distance along the incline that the block slides before coming to rest.
A 70.0 kg girl lowers herself to the ground from a height of 8.8 m by holding onto a rope running over a pulley to a 54.0 kg sandbag. what is her speed when she reaches the ground
a 3*10^2 kg piano is being lifted at a steady speed from ground level straight up to an apartment 10m above the ground. How much time does it take to lift the piano
a small conductive rod of length 1.5 m moves with a constant velocity v14 ms in a direction parallel to a long wire
a dielectric object that has a quasi-permanent polarization when the applied field is zero is called an electret
A wire has a diameter of1.7 mm and length of 1.3 m. If it's resistance is 15 m(Ohms), What is the restivity of the metal from which it is made
The radius of curvature of a convex mirror is 1.60 x 10^2 cm. An object that is 14.0 cm high is placed 40.0 cm in front of this mirror. Find out (1) the location and (2) the height of the image.
At a soft drink bottling plant, a horizontal section of pipe carrying citric acid in liquid form goes from a cross-sectional area of 8.00 cm2, determine the liquid flow speed and the liquid pressure
A hypodermic syringe contains a medicine with the density of water. The barrel of the syringe has a cross-sectional area A = 2.60 10-5 m2, and the needle has a cross-sectional area a = 1.00 10-8 m2. In the absence of a force on the plunger, the pr..
A flight attendant pulls her 65N flight bag a distance of 388m along a level airport floor at a constant velocity. The force she exerts is 38 N at an angle of 51° above horizontal.
a projectile passes point a with a velocity v upward. at some time later the projectile passes point b with a velocity
A 1 200-N uniform boom at f 5 65° to the horizon- tal is supported by a cable at an angle u 5 25.0° to the horizontal, calculate the tension in the support cable
Calculate the acceleration of a bus that goes from 57.6 km/h to a speed of 99.79 km/h in 10 s
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