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Question: A 25-N block slides down a plane inclined at 21.2 degrees to the horizontal with constant velocity.
Part A: Find the total force resisting the motion of the block.
I need help to solve the above question and solve above question using the component method.
Two point charges totalling 9.50 C exert a repulsive force of 0.120 N on one another when separated by 0.400 m. What is the charge on each? Suppose that the two charges are negative. Enter the smaller charge in the first box.
Determine the time it takes for the particle. A particle is traveling in a straight line at a constant speed of 28m/s. Suddenly, a constant force of 15.6N acts on it, bringing it to a stop in a distance of 66.8m.
Oxygen gas having a volume of 1070 cm3 at 35.0°C and 1.01 x 105 Pa expands until its volume is 1650 cm3 and its pressure is 1.06 x 105 Pa. Find the number of moles of oxygen present
A(n) 78 g particle moving with aninitial speed of 24 m/s in the positive xdirection strikes and sticks to a(n) 82 gparticle moving with 150 m/s in the positivey direction. How much kinetic energy is lost in this collision? Answer inunits of J.
A 1680 kg car accelerates uniformly from rest to a speed of 19.2m/sin 4.22s. Find the average power delivered by the net force to the car in this time interval. Answer in units of w. Find the work done by the net force on the car during this timeinte..
A horizontal mass-spring system is in SHM. The mass is 0.25kg, the spring constant is 12N/m, and the amplitude is 15cm, What is the maximum speed of the mass and where does it occur
A metallic wire has a diameter of 4.12 mm. When the current in the wire is 8.00 A, the drift velocity is 5.40 x 10^-5 m/s. What is the density of free electrons in the metal
The electric dipole moment of sodium chloride is p=3.0 x1029 centimeter. Find theoretical separation between sodium and chlorine nuclei for one electron
on your way to classes you are driving on 8th street at a speed of 60 mph 26.8 ms when you see a police car parked at
A projectile of mass m is shot straight up with initial velocity vo and feels a quadratic air resistance force of the form F =-kv2, where k=mg/u2. Find the speed of the projectile at time t while the projectile is still moving upwards
A power of 1 horesepower is equivalent to 746 W. What is the power output in horsepower of an electric motor that draws acurrent of 4 A at 120 V and is 80 percent efficient
sheena can row a boat at 2.95 mih in still water. she needs to cross a river that is 1.17 mi wide with a current
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