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Neutrons are slightly more massive than protons. If the mass of a neutron were smaller than its actual value, yet still more massive than a proton, a nucleus with a very high atomic number would most likely contain
A) the same number of neutrons as the actual number.
B) more neutrons than the actual number.
C) fewer neutrons than the actual number.
Two guns aimed at 10 degrees above the horizontal are fired at the same time, bullet A travels at twice the speed of bullet B. Which bullet will hit the ground first
A 39.00 g ball is fired horizontally with initial speed v_0 toward a 110g ball that is hanging motionless from a 1.00 m-long string. The balls undergo a head-on, perfectly elastic impact, after which the 110 g ball swings out to a highest angle th..
Find the buoyant force for the two objects when they are placed into water, Next, find the percent difference between the two buoyant forces
A diffraction grating with 2.507 X 10^3 lines/cm is used to examine the sodium spectrum. a) calculate the angular separation of the two closely spaced yellow lines of sodium (588.485 nm and 589.067 nm) in the first order. Answer in units of degree..
A cat rides a merry-go-round while turning with uniform circular motion. At time t1 = 2.00 s, the cat's velocity is v1 = (5.50) i + (4.00 m/s) j, What is the magnitude of the cat's centripetal acceleration
A thin glass rod forms a semicircle of radius r = 3.03 cm. Charge is uniformly distributed along the rod, with +q = 1.05 pC in the upper half and -q = -1.05 pC in the lower half
Suppose you wish to fabricate a uniform wire out of 2.6 g of copper. If the wire is to have a resistance of R = 0.25 and if all of the copper is to be used, what must be the length of the wire in m and the diameter of the wire in mm.
An object of mass m is on a frictionless table rotating with a given tangential speed vo with a radius of string ri. Find the final speed of the object after the rope was pulled down the distance d
A telescope is used to observe two distant point sources transversely 2.50 {\rm m}apart with light of wavelength 600 {\rm nm} .The objective of the telescope is covered with a slit of width0.350 {\rm mm} .
An electron is released from rest in a uniform electric field and accelerates to the north at a rate of 180m/s^2. What is the magnitude of the electric field in (N/C)? What is the direction of the electric field?
A ball is being thrown towards a wall with 25.0 m/s in a 40 degree angle. The distance to the wall is 22.0m, How high will the ball hit the wall
A wooden plank is placed over a pit that is 5.00 m wide. A student stands in the middle of the plank and begins jumping upand down such that she jumps two times each second. What is the speed of the travsverse waves on the plank
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