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Eight equal blocks are kept together side by side. A man exerts a horizontal force F on block 1(from the side). Find what is the ratio of the force exerted by block 1 on block 2 to the force exerted by block 7 on block 8?
When the temperature of a coin is raised by 85.4 C°, the coin's diameter increases by 3.08 x 10-5 m. find the coefficient of linear expansion
The speed of sound in a different fluid is 1360 m/s. What is the bulk modulus for this fluid? The density of this fluid is 13500 kg/m3
a bullet weighing 50 grams and traveling at 200 ms is shot into a stationary block of wood weighing 4 kg where it
A 0.464-nm photon collides with a stationary electron. After the collision, the electron moves forward and the photon recoils backwards. Find the momentum of the electron
A 9 g ice cube at -10°C is placed in a lake whose temperature is 17°C. Calculate the change in entropy of the cube-lake system
imagine that you have a 510 , a 860 , and a 1.1 resistor. What is the maximum resistance you can obtain by combining these.
An ice-making machine operates in a Carnot cycle. It takes heat from water at 0.0 oC and rejects heat to a room at 24.0 oC. How much energy must be supplied to the device
A muon particle ( q=-e, m=207me) is traveling at a speed v=4.2*10^7 m/s, What is the radius of its path in the magnetic field
A 34-cm-diametere potter's wheel with a mass of 20 kg is spinning at 180rpm. Using her hands, a potter forms a pot, centred on the wheel, with a 14 cm diameter. her hands apply a net friction force of 1.3 N to the edge of the pot.
An air puck of mass 0.20 kg is tied to a string and allowed to revolve in a circle of radius 0.9 m on a frictionless horizontal table. What is the speed of the puck
On The Apollo 14 mission to the Moon, astronaut Alan shepard hit a golf ball with a 6 iron. For how much more time was the ball in flight
Transcranial magnetic stimulation (TMS) is a noninvasive technique used to stimulate regions of the human brain. Determine the induced emf within a circle of tissue of radius 1.9 mm and that is perpendicular to the direction of the field
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