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Question: The tires of a car make 60 revolutions as the car reduces its speed uniformly from 87.0km/h to 64.0km/h . The tires have a diameter of 0.90m . a= -1.8
Part A: If the car continues to decelerate at this rate, how much more time is required for it to stop? Express your answer to two significant figures and include the appropriate units.
Part B: How far does the car go? Find the total distance. Express your answer to three significant figures and include the appropriate units.
The Youngs Modulus for copper is 130 Gpa. What is the strain in the the copper wire under a stress of 120Mpa
Find the maximum rotation period T of the cylinder which would prevent a 61 kg person from down - find the centripetal force experienced by the ball.
During normal operation, a computer's hard disk spins at 7200 rpm. what is the average angular acceleration of the hard disk
Write the report with your favorite word processor or text editor and submit is to the instructor. In this report discuss the effects produced when a mirror has a large curvature.
When a pitcher throws a curve ball, the ball is given a fairly rapid spin. Determine how much of its kinetic energy is rotational energy
Through what potential difference must an electron be accelerated from rest to have a de Broglie wavelength of 700nm
An extremely large nonconducting sheet creates equipotential surfaces, which are planes. What is the surface charge density on the sheet
A projectile is fired with muzzle speed 150m/s, Where does the projectile hit the ground with what speed
A 100 W lightbulb is plugged into a standard 120 V outlet. How much does it cost per month (30 days) to leave the light turned on continuosly? Assume electrical energy costs 7.5/kWh. (Enter dollars with no unit) What is the resistance of the bulb? Wh..
A transformer has the voltages 152 Vpri and 50 Vsec. A current 4.0 mA is flowing in the primary. What is the current flowing in the secondary
The magnetic flux through each loop of a 75-loop coil is given by (8.8t-0.5It^3) Tm2 where the time is in seconds. Determine the induced emf as a function of time
A roofer drops a nail that hits the ground at 23 m/s. How fast was it traveling 2 seconds before it hit the ground?
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