distance of 90.0 miles in 60.0 minutes. Which one of the following statements concerning this situation is necessarily true? (a) The velocity of the car is constant. (b) The average velocity of the car is 90.0 miles per hour in the direction of motion (c) The first 45 miles must have been covered in 30.0 minutes. (d) The speed of the car must be 90.0 miles per hour throughout the entire trip. Ans. (b) 5. At time t = 0 s‚
Premium Acceleration Velocity Kinematics
Jetée. In the beginning of the film‚ the narrator is speaking of a man dying‚ and while the narrator is speaking images flash across screen at a faster rate to create tension‚ and this is known as accelerated editing. Accelerated editing is used quite frequently in the movie. Another scene with accelerated editing shows images of scientists giving a man a shot. As the scene progresses and the needle gets closer to his arm the photographs on the screen
Premium Film Film director Film theory
How does technology influence visual art? And how does photography influence the development of painting? This essay considers the impact of technology on the visual art and how this technology accelerated the development of the art and how people respond‚ adapt and incorporate modern technology into their own work. The impact of technology in visual arts has been in photography. Willian Melin stated that‚ “the dominant forces during the past century has been modern technology and has affected
Premium Photography Eadweard Muybridge History of painting
non-uniform speed. 4. The brakes applied to a car produced an acceleration of 6 ms-2 in the opposite direction of the motion. If the car takes 2s to stop after the application of brakes‚ calculate the distance it travels during this time. 5. What is positive acceleration and negative acceleration? 6. Why is the motion of Satellites around their planets considered an accelerated motion? 7. Study the time (t) versus distance (s) data given below and answer the questions that follow:
Premium Velocity Acceleration Kinematics
FRICTION Friction is necessary for walking due to the following reason‚ As per Newton’s third law of motion‚ (every action has an equal and opposite reaction) we can walk if and only if the ground we are walking on push our feet back with a force. Now‚ as per the third law the ground would definitely push our feet back but if we are walking on a perfectly smooth ground which has no friction our force would simply cancel out the force reverted by the ground and we would fall. If there was no
Free Newton's laws of motion Classical mechanics Force
of the body as possible. Second; the body parts should move in sequence with the bigger muscles leading the action‚ while the smaller muscles closest to the object should move last. The third principle states that the muscles need to be used and accelerated with the
Premium Force Classical mechanics Newton's laws of motion
energy increases uniformly with time t‚the net force acting on it is proportional to what power of time? 7. A ball of mass 50g is thrown upwards. It rises to a maximum height of 100m. At what height its kinetic energy will be reduced to 70%? 8. An automobile moves along a straight horizontal road with a speed (i)v and (ii)3v. Assuming identical conditions‚find the ratio of the shortest distances in which the automobile can be stopped. 9. A body of mass m accelerates uniformly from rest to a speed
Free Force Energy Mass
Logger Pro Vernier Motion Detector Ramp Hard Ball‚ approximately 8cm diameter 1 rubber ball‚ similar in size Dynamics cart Meter stick Books Procedure: The motion detector was connected to the DIG/SONIC 1 channel of the interface and switched to Track. Then a single book was placed under one end of a 1-2m long track so that it formed a small angle with the horizontal. The two end points of the incline where adjusted‚ so that the distance‚ x‚ is between 1and 2cm. A motion detector was placed
Premium Acceleration Regression analysis Gravitation
between the artwork convey rigid motion that dissolves progressively between each other. The proximity of the monochromatic figures against a sepia background creates a sense of relative melancholy. But behind it’s repetitive‚ dull and uniformly dressed figures lies Brack’s original intention. “It used to strike me as most eerie… sketching within three feet of people... none of whom took notice.” Expressionless and stripped of individualism as they walk in uniformly patterned rows Brack depicts a
Premium Art Time Cognition
atoms) behave as though they were held by springs”.Feynman “In a microscopic but otherwise classical analysis‚ the electric field in electromagnetic radiation accelerates electrons held by springs in the atoms of a piece of glass‚ and these accelerated electrons re-radiate in all directions. The observed light is the superposition of the electric (and magnetic) fields of the incoming light and the re-radiation. In the backward direction we normally call the re-radiation "reflection‚" but this
Premium Wave Fundamental physics concepts Electric charge