| Question | Subject | Tutorials |
|---|---|---|
| The Suitcase Drops Out of the Luggage Compartment Q1. An airplane is flying with a velocity of 83.0 at an angle of 25.0 above the horizontal. When the plane is a distance 114 directly above a dog that is standing on level ground, the suitcase drops o … |
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| Calculate the average force per nail
1. Calculate the average force per nail when Sarah, who weighs 120 pounds, lies on a bed of nails and is supported by 600 nails.
2. Suppose that you balance a 5-kg ball on the tip of your … |
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| What emf is induced in this loop
Q1. A projectile is launched from Earth's surface at a certain initial velocity at an angle above the horizontal, reaching greatest height after time tmax. Another projectile is launched … |
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| What Is the Pebble Acceleration Question: Your roommate is working on his bicycle and has the bike upside down. He spins the 62cm -diameter wheel, and you notice that a pebble stuck in the tread goes by three times every second.
… |
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| Six Energies of Photons Suppose a hypothetical object has just four quantum states, with the following energies:-0.8 eV (third excited state)-1.3 eV (second excited state)-2.6 eV (first excited state)-4.5 eV (ground state)(a … |
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| A Grasshopper Hops Along a Level Road A grasshopper hops along a level road. On each hop, the grasshopper launches itself at angle θ0=45° and achieves a range R = 0.82m .What is the average horizontal speed of the grasshopper as … |
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| Determine the intensity of electromagnetic waves
Solve the all parts of following question given below:
Question: The sun emits electromagnetic waves with a power of 4.0 x 1026 Watts.
Part I: Determine the intensity of electromagneti … |
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| Two radio antennas are separated
Two radio antennas are separated by 2.0 m. Both broadcast identical 750 MHz waves. If you walk around the antennas in a circle of radius 10 m, how many maxima will you detect?
… |
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| What is an image distance Q. a) A diamond is underwater. A light ray enters one face of the diamond, and after that travels at an angle of 30 degrees with respect to the normal. What was the ray's angle of incidence on the … |
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| What is the rms speed of cesium atoms Question: Atoms can be "cooled" to incredibly low temperatures by letting them interact with a laser beam. Various novel quantum phenomena appear at these temperatures.
Question I: What i … |
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| Determine acceleration of each block
Part (a)
Question - To Determine: From the given mass-pulley system as shown in figure (a) below, If mA = 13.0 Kg and mB = 5.0 kg, determine acceleration of each block. Mass mA rests on a … |
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| What is the magnitude of the balls deceleration
Your forehead can withstand a force of about 6.0kN before fracturing while your cheekbone can only withstand about 1.3 kN. If a 140 g baseball strikes your head at 34m/s and stops in 1.3*10^ … |
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| Estimate how long is the jumper in free fall
Solve the following question:
Question: Extreme-sports enthusiasts have been known to jump off the top of El Capitan, a sheer granite cliff of height 910 m in Yosemite National Park. Assu … |
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| How high is the fence
Q. A baseball is hit at ground level. The ball is observed to reach its maximum height above ground level 3.0 s after being hit. And 2.5s after reaching this maximum height, the ball is obse … |
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| Lead ball is dropped into lake-how deep is the lake
1. A lead ball is dropped into a lake from a diving board 5.0 mabove the water. After entering the water, it sinks to the bottom with a constant velocity equal to the velocity with which it … |
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| What minimum number of stones must be added Question: Native Americans boiled water by adding very hot stones to a leak-tight water vessel. What minimum number of 1.0 kg stones at 530 °C must be added to a vessel holding 7.0 kg of 20 °C … |
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| The fly experience the greater tangential speed 1) An old-fashioned LP record rotates at 33 1/3 rpm (revolutions per minute) and is 12 inches in diameter. A "single" rotates at 45 rpm and is 7.0 inches in diameter. If a fly … |
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| How much charge will be transferred in one scoop a) assume a conducting sphere of radius 5 cm is connected to a 1000v power supply. what is the charge density on the surface of the sphere in C/m^2?
b) assume that a proof plane is a conducting dis … |
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| How much is the column compressed A 3.0 m tall, 64 cm diameter concrete column supports a 205,000 kg load. By how much is the column compressed? Assume Young's modulus for concrete to be 3.0 ? 1010 N/m2.
… |
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| Find the magnitude of the average net force on the car "
1. A moving object is acted on by a net force. Give an example of a situation in which the object moves (a) in the same direction as the net force; (b) at right angles to the net f … |
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