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A 765 kg car is being pushed along a flat parking lot at a constant speed of 1.98 m/s. The coefficient of friction between the road and the car is 0.31. What force is being used to push the car? The force used to push the car is:
A patient walks across a force platform and the forces exerted by the patients foot during a step is recorded. What is the direction of the resultant force
a 753 kg elevator starts from rest. it moves upward for 3.04 seconds with a constant acceleration until it reaches its cruising speed of 2.07 m/s
A Federation starship (7.5 multiplied by 106 kg) uses its tractor beam to pull a shuttlecraft (5.0 multiplied by 104 kg ) aboard from the distance of 12 km away.
When an ambulance is stationary, the siren gives off a sound at a frequency of 500Hz. What is the frequency of the stationary siren
Two radio antennas are separated by 2.00 m. Both broadcast identical 750MHz waves. If you walk around the antennas in a circle of radius 10.00 m, how many maxima will you detect.
A rock of mass 33 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 242 N. What is the magnitude of the acceleration of rock.
Carbon disulfide (n= 1.63) is poured into a container made of fused quartz (n= 1.46). What is the critical angle for internal reflection of a ray in the liquid
A disk of radius 3.00 cm has a uniformly distributed charge of Q = 5.20 uC, Calculate the electric field on the perpendicular axis of disk
find out the current in the loop.Determine the rate at which thermal energy is produced.
What is he wavelength of a 22.75*10^9 Hz radar signal. What is the frequency of an X-ray with wavelength 0.12nm
A 35 g bullet moving at 475 m/s strikes a 4.20 kg bag of flour that is on ice, at rest. The bullet passes through the bag, leaving at 270 m/s. How fast is the bag moving when the bullet exits.
The most common isotope of a single nucleus (stripped of its electrons) is accelerated from rest through a potential difference of 1200V, What element is the unknown nucleus on periodic table
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