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Q1.A race car starts from rest on a circular track of radius 453 m. The car's speed increases at the constant rate of 0.800 m/s2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, discover the following-
(a.) speed of the race car
(b.) distance travelled
(c.) elapsed time
Q2. Three deer, A, B, and C, are grazing in a field. Deer B located 65 m from dear A at an angle of 52° north of west. Deer C is located 75° north of east relative to dear A. The distance between deer B and C is 92 m. What is distance between deer A and C?
A 800kg , light-weight helicopter ascends from the ground with an acceleration of 3.50m/s2. What is the work done by the net force on the helicopter?
Household wiring made of aluminum wire with cross-section area 3.1 x 10^-6 m^2 carries a current of 4.5 A. what is the power loss over 5.2 m of wire
The lines in a grating are uniformly spaced at 1520nm. Analyse the angular separation of the second order bright fringes between light of wavelength 603nm and 615.4 nm. Reply in units of mrad.
An electric dipole of dipole moment = (5 × 10-10 C.m) is placed in an electric field = (2 × 106 N/C) +(2 × 106 N/C)
A cave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. The lift is performed in three stages, each requiring a vertical distance of 14.0 m
The graph shows the component of a force acting on an object, Find the work done by the force over the specified intervals of displacement
It is 156 cm from your eyes to your toes. You're standing 212 cm in front of a tall mirror. How far is it from your eyes to the image of your toes
Coulomb's Law describes the force between two charged objects, What is the magnitude and direction of the electrical force on object 2 due to Object 1
A 75.0 kg man stands on a bathroom scale in an elevator that accelerates upwards from rest to 30.0 m/s in 2.00 s. Calculate the scale reading compared with his weight
A car (m1 = 900) moving south with a speed v1 = 25 collides with a truck (m2 = 1500) moving at an angle of 30 degrees south of west with a speed v2= 20. What is the magnitude and direction of their final velocity
The current in a 100 watt lightbulb is 0.900A . The filament inside the bulb is 0.120mm in diameter. What is the electron current in the filament
Calculate the electric force Fe between a stationary proton and uranium nucleus...separated by a distance of 3.6 nm, determine the intial acceleration of the proton
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