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Q1. A race car has the mass of 702 kg. It starts from rest and travels 45.0 m in 3.0 s. The car is uniformly accelerated during the entire time. What net force is exerted on it?
Q2. When G was first measured by Henry Cavendish, newspapers of the time hailed his experiment as "weighing Earth experiment." And Why?
Q3. Sam, whose mass is 75.0 kg, takes off down a 57.0 m high, 13.0^circ slope on his jet-powered skis. The skis have a thrust of 230 N. Sam's speed at the bottom is 38.0 {rm m/s}. What is the coefficient of friction of snow?
Create horizontal component of the pendulum
Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass and radius of orbit. The satellites fire rockets that provide force needed to keep a circular orbit around the space stat..
What is the turntables angular speed as the block
What are the original charges on each sphere
What is modify in frequency ff - fi
A dockworker applies a constant horizontal force of 84.0\({\rm N}\) to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 12.5\({\rm m}\) in a time 4.80\({\rm s}\)
How to find the magnetic field
Charge of uniform density (80 nC/m^3) is distributed throughout a hollow cylinder region formed by two coaxial cylindrical surfaces of radii 1.0 mm and 3.0 mm. Determine the magnitude of the electric field at a point which is 2.0 mm from the symmetry..
A stream of water strikes a stationary turbine blade horizontally. The incident stream has a velocity of +16m/s whilst the exit has a velocity of -16m/s. mass of water per second that strikes the blade is 30kg/s.find the magnitude of average force ex..
Two meteoroids are heading for earth. Their speed as they cross the moon's orbit is 2.3 km/s. The second meteoroid misses for earth by 2680 km. What is its speed at its closest point.
What is vertical component of the acceleration
What current is required in the windings of a long solenoid that has 1710 turns uniformly dispersed over a length of 0.547 m in order to produce a magnetic field of magnitude 0.0002 T at the center of the solenoid.
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