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Suppose the Sun's gravity were switched off. The planets would leave their nearly circular orbits and fly away in straight lines, as described by Newton's first law. Would Mercury ever be farther from the Sun than Pluto? If so, find how long it would take for Mercury to achieve this passage. If not, give a convincing argument that Pluto is always farther from the Sun.
A 73 gram ice cube at 0°C is heated until 64 gram has become water at 100°C and 9.0 gram has become steam at 100°C. Find how much energy was added to accomplish the transformation
A drinking straw 20 cm long and 3 mm in diameter stands vertically in a cup of juice 8.0cm in diameter. A section of straw 6.5cm long extends above the juice. A child sucks on the straw, and the level of juice in the glass begins dropping at 0.23c..
A building is 45m long. You run along the front of the building on your way to try to catch a bus. What was your average velocity during this time
A 500 gram model rocket is on a cart that is rolling to the right at a speed of 3.0 m/s. Find at what horizontal distance left of the loop should you launch
During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle between two fence posts. The limb exerts a downward force of 151 N on the wire.
A group of 1.0 μF, 2.0 μF, and 3.0μF capacitors are connected in parallel across a 24-V pottential difference (a battery). How much energy is stored in this three capacitor combination when the capicitors are fully charged?
An inductor that has an inductance of 15.0 H and resistance of 30.0 W is connected across a 100-V battery. Calculate the rate of increase of the current
An electron moves in a circular path perpendicular to a uniform magnetic field with a magnitude of 2.02 mT. obtain the radius of the circular path
Use the work-energy theorem to calculate the frictional force F and write down the expression for the angular acceleration with frictional force calculated in terms of m, L, h, and g.
a car approaches you at a constant speed while sounding its horn. you hear a frequency of 86.0 hz. after the car goes
A Carnot engine has 40 gram of Helium gas as its working substance. It operates between two reservoirs of temperatures T1= 400 Celsius and T2= 60 Celsius. Compute the work generated by this engine during one cycle
Describe the working principle of a Scanning Tunneling Microscope (STM) and its major components (no more than 200 words). Which variable does the STM attempt to keep constant as it scans?
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