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Question: A roller coaster car starts from rest at the top of a hill of height h. The car rolls without friction down the hill under the influence of gravity, and then performs a loop-the-loop on a circular loop of track of radius R.
Part A: What is the minimum height h that the roller coaster has to start at in order to stay on the track?
I need help to find the minimum height h that the roller coaster has to start at in order to stay on the track.
121.7 J of heat energy are transferred to 38.53 g of mercury. By how much does the temperature increase? (in K) How much heat is needed to raise the temperature of 38.53 g of water with the same amount?
Calculate the magnetic moments that are possible for the n=3 level of Hydrogen, making use of the quantization of angular momentum. You may neglect the existence of spin. Compare this with the Bohr prediction for n=3.
a visible light photon takes 8.3 minutes to travel from the solar photosphere to the earth. calculate how long it would
A sealed glass jar contains air initially at a pressure of 1.00 atm and a temperature of 0° C. Discover the air pressure when the jar is heated to 340° C. The linear expansion coefficient of the glass is 1.03 10-5 (C°)-1.
A beam of light of a single wavelength is incident perpendicularly on a double-slit arrangement, as in the figure below. The slit widths are each 56 µm and the slit separation is 0.36 mm. How many complete bright fringes appear between the two first-..
With a wooden ruler you measure the length of a rectangular piece of sheet metal to be 16mm. What is the area of the rectangle
A 34.0kg crate is initially moving with a velocity that has magnitude 3.70m/s in a direction 37.0 %u2218west of north. How much work must be done on the crate
an air parcel is moving toward the east at a speed of 100ms at 60n.a compute the horizontal coriolis force per unit
A major leaguer hits a baseball so that it leaves the bat at a speed of 30.0 m/s and at an angle of 36.9o above the horizontal. Calculate the horizontal and vertical components of the baseball's velocity
a 1.11-microh inductor is connected in series with a variable capacitor in the tuning section of a short wave radio
A 9.95 kg monkey is hanging by one arm from a branch and swinging on a vertical circle. find he magnitude of the centripetal force acting on the monkey
An experiment that can be utilized to measure the velocity of a bullet is to have two cardboard disks attached to a rotating shaft some distance apart and to gauge the angular separation of the holes made by the bullet.
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