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Q1. A car accelerates from 17 m s1to 31 m s-1 with a uniform acceleration of 2.5 m s-2. Calculate the displacement of the car during the acceleration.
Q2. A fireworks rocket has a mass of 560 g and its initial acceleration is 6.0 m s-2 when launched vertically upwards.
(i) Calculate the magnitude of the initial thrust of the rocket.
(ii) Calculate the initial acceleration of the rocket when launched horizontally.
Which of the following best describe Lenz's Law?
Electromagnetic waves of wavelength 0.178nm fall on a crystal surface. As the angle of incidence is gradually increased, starting at 0 degrees, What is the distance between the crystal planes
Two point charges, +3.09 µC and -6.05 µC, are separated by 1.33 m. What is the electric potential midway between them?
An ambulance with its siren at frequency 700 Hz is racing down the highway at 50m/s, What is the wavelength of sound in front of the ambulance
Conceptual Example 14 provides useful background for this problem. A playground carousel is free to rotate about its center on frictionless bearings, What is the person's mass
what is the cost of the electric energy equivalent to the energy in a Big Mac? (the cost of a Big Mac is $3.57)
An object has a kinetic energy of 257J and a momentum of magnitude 21.8 kg·m/s. Find out the speed and the mass of the object.
Consider a parallel-plate capacitor with an area of 1.1 cm2, At what voltage will this capacitor exhibit dielectric breakdown
If the inside of the vessel is maintained at atmospheric pressure 1.013 × 105 Pa, what is the net force on a porthole of diameter 16.9 cm?
A ball of mass 0.40kg has a kinetic energy of 28.8J. What is the magnitude of the linear momentum of the ball
Identify three examples of 19th century Impressionist painting or sculpture and three Post-Impressionist works. Explain how the six pieces of art fall into these two styles.
A 5,000 kg satellite is orbiting the Earth in a circular path. The height of the satellite above the surface of the Earth is 800km. The velocity of the satellite is (Me = 5.98 x 10^24 kg, Re = 6.37 x 10^6 m, G = 6.67 x 10-11 N • m2/kg2)
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