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Block A has a mass of 3.00 kg and rests on a smooth table and is connected to the block B which has a mass of 2.00 kg after passing over an ideal pulley Block B is released from rest. How long does it take Block B to travel 80 cm.
What is the total energy of a 15-kg mass attached to a spring oscillating horizontally with an amplitude of 20 cm and an angular frequency of 32 rad/s
You are supposed to make a Rube Goldberg machine that releases a block on an inclined plane that has a length of 2.50m and is supposed to take 15.5 seconds to travel that distance.
A camera has a lens with a focal length of 29.4 cm. When an object is placed 3.95 meters away is being photographed, how far from the film should the lens be placed
A certain toaster has a heating element made of Nichrome resistancewire. When the toaster is first connected to a 110 V source of potential difference (and the wire isat a temperature of 20.0°C), the initial current is1.7 A
A rigid tank contains 1.50 moles of an ideal gas. Determine the number of moles of gas that must be withdrawn from the tank to lower the pressure of the gas from 27.4 atm to 4.30 atm
An 8.75kg object slides over a horizontal surface. Witha velocity of 6.25m/s. A constant force of 35.7 N is exertedon the object to slow it down. How much work is required to bring the object to rest
q1. a plot of pressure as a function of volume is known as a pv diagram. pv diagrams are often used in analyzing
Two cars have collided at right angles at an intersection: Car A was eastbound; car B was northbound. The marks on the pavement show that the vehicles both moved together in the same direction immediately after the collision. That direction was at..
A 0.10-kg balloon is filled with helium (density = 0.179 kg/m3). If the balloon is a sphere with a radius of 5.4 m, what is the maximum weight it can lift
What is the frequency of string that was tightened.How high does it rise above the ground.
A person has a far point of 21 cm. This means that the person’s corrective lenses should produce an image 21 cm in front of the eye for an object that is very far away.
A 15.9g bullet traveling horizontally at 871m/spasses through a tank containing 14.5kg of water and emerges with a speed of 537m/s
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