Physics

Solution Library


Calculate Change In Acceleration Of Particle Moving In Straight Line

Question A particle is initially at rest at point A on a straight line ABCD. The particle moves from point A to B with uniform acceleration, reaching B with the speed of 12m/s after 2 seconds. The acceleration then alters to a constant 1m/s2 and 8 uniformly to come to rest at D after further 10 sec ... Read More

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Calculate Velocity Of Cards And Loss Of Kinetic Energy After Cars Impact

Question A car of mass 1200kg traveling with a velocity of 30 meters per second collides head on into a stationary car which has a mass of 800kg.After the impact the two vehicles lock together and move in the same direction as the 1200kg car. (i) What is the velocity of the cars after the impact? ... Read More

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Calculate Velocity Of Train At Instant It Strikes Buffers And Strain Energy Gained By Buffers

Question A train of mass 15000kg is brought to rest when striking the buffers of a terminus. The buffers consist of two springs in parallel as shown in Figure5(b).The spring constant of each spring is 120kN/m. The springs are compressed by 0.75m when the train is brought to rest. Assuming that ther ... Read More

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Calculate Maximum Acceleration, Maximum Velocity And Maximum Kinetic Energy For Piston

Question A piston of mass 0.2kg moves with simple harmonic motion. If the amplitude of the piston oscillation is 70mm and its period of oscillation is 0.1 second, calculate: (i) The maximum acceleration (ii) The maximum velocity (iii) The maximum kinetic energy.   Summary The question be ... Read More

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Calculate Velocity Of Mass When It Passes Through Mid Position Of Its Oscillation

Question A body of mass 2kg hangs from a spiral spring. When the mass is pulled down 10cm from its rest position and released. It vibrates with simple harmonic motion. The frequency of oscillation is 2.5 Hz. Calculate: (i) The velocity of the mass when it passes through the mid-position of its osc ... Read More

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Calculate The Air Volume In A Room

Question Estimate the volume of air in Room 51.6.09. Include an estimate of the error in the volume.   Summary The question belongs to Physics and it is about calculating the volume of air in a room along with error in the volume. Total Word Count 93 ... Read More

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Calculate Magnitudes Of Direction Components Of Velocity

Question A man is walking at 4 km per hour, in the direction 65° west of north. What are the magnitudes of the north and west components of the velocity?   Summary The question belongs to Physics and it is about calculating the magnitudes of north and west components of velocity for a m ... Read More

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Finding An Object With Its Speed And Time

Question The motion of an object is shown in the graph below. (a) What is the object? (b)Describe the motion of the object in as much detail as you can.   Summary The question belongs to Physics and it is about finding an object by using the graph with speed and time. Total Word Count ... Read More

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Calculate Whether Or Not Two Approaching Cars Will Crash

Question Two cars are approaching each other along a narrow road with space for only one car. The red car is travelling at 100 km/hr and the blue one at 80 km/hr. When they are 0.85 m apart, both drivers hit the brakes. The red car decelerates at 7.5 m/s2, and the blue at 8.0 m/s2. Do the cars cras ... Read More

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Calculate The Forces Acting Upon An Object

Question Three forces 77, T2 are holding an object of weight W as shown in the diagram. If <9 = 45°, (p = 30° and the object of mass 2500 g. Find all three forces acting on the object.   Summary The question belongs to Physics and it is about calculating the forces acting upon an ... Read More

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Calculate The Coefficient Of Friction Between Two Surfaces

Question The diagram shows the arrangement of equipment used to measure the coefficient of static friction between the block on the table and the table's surface. (a) Label the TWO surfaces, 1 and 2, being tested. (b) The mass of the block which is just about to move is 350.0 g and the hanging ball ... Read More

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Calculate The Forces Acting Upon An Object

Question Three forces 77, T2 are holding an object of weight W as shown in the diagram. If Summary The question belongs to Physics and it is about calculating the forces acting upon an object. Total Word Count 113 ... Read More

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