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1) A laboratory oven that contains oxygen molecules O 2 and fluorine molecules F 2 is...
Give your answer in SI units and to three significant figures. A stick which is 1.52...
It's nighttime, and you've dropped your goggles into a 3.1-m-deep swimming pool. If you hold a...
A potter's wheel is rotating around a vertical axis through its center at a frequency of...
An 8.0 kg rock is dropped from a height of 7.0 m. What is the kinetic...
A figure skater can increase her spin rotation rate from an initial rate of 1.0 rev...
A 8 kg ball is dropped off the top of a 30m building. Show that the...
An airplane with mass of 1065 kg descends linearly downward with an angle of 35 degrees...
a motorcycle is stopped at a traffic light. when the light turns green, the motorcycle accelerates...
1. A day on Mars lasts 1.03 Earth days, which is inconvenient because Mars time keeps...
an apple of mass m=0.13kg falls from a tree and hits the ground with a speed...
a diffraction grating has 8000lines/cm and is exposed to light of 500nm the first order maxims...
A bullet is fired over level ground at 200m/s toward a cliff face 250 meters away....
1.Watch the video on magnetism. Explain how the “two” right hand rules works –what does each...
You're watching a car race and observe one of the cars going around a banked circular...
Why are oxygen (O2), nitrogen (N2), hydrogen (H2) and chlorine (Cl2) IR inactive?
1- How much heat is required to convert solid ice with a mass of 860 g...
A gas bottle contains 6.56×1023 Nitrogen molecules at a temperature of 375.0 K. What is the...
Firstly I can say that I would love us to come up with a sustainable fusion...
Determine the amount of energy required (in MJ) to convert 25 g of ice, initially at...
A large room in a house holds 957 kg of dry air at 33.2°C. A woman...
Steam at 100°C is added to ice at 0°C. (a) Find the amount of ice melted...
Block 1 (10 kg) is pulled by a rope from left to right up a ramp...
If the total charge on a rod of length 0.4 m is 2.2 nC, what is...
On two occasions you accelerate uniformly from rest along an on-ramp in order to merge into...
A rocket rises vertically, from rest, with an acceleration of 4.0 m/s2 until it runs out...
In coming to a stop, a car leaves skid marks 73 m long on the highway....
An 8.50-cm-diameter, 360 g solid sphere is released from rest at the top of a 1.90-m-long,...
Calculate the combined R value of one layer of goose down, 6 cm thick, and one...
A 78 g , 32-cm-long rod hangs vertically on a frictionless, horizontal axle passing through its...
Calculate the first three overtones of a 1 m long boom-whacker that has a) both ends...
A 0.52·kg mass vibrates according to the equation x = 0.49 cos (8.37t + 3.54), where...
1. At the shark tank of an aquarium, a square window has sides of 0.9 m....
A 0.141kg glider is moving to the right on a frictionless, horizontal air track with a...
Energy Budget for a Rocket in Free Space: Recall the analysis of the rocket engine in...
1)What is the drag force on a 1.6 m wide, 1.4 m high car traveling at...
A person holds a 3-kg weight in each hand with arms outstretched while standing at rest...
You have a beaker containing 100 mL of water. The initial temperature of the water is...
Examine the equation: nλ=asinθ and assume that sin θ≈ θ. What is expected for the angular...
A crane is used to lift a 2500 kg crate off the ground. How much work...
100 lb boy stands at one edge of the skating board. The board is 6 ft...
describe a simple experiment to determine if s brass statue is solid as claimed by its...
A soccer player kicks a stationary ball. Giving it a speed of 30m/s at an angle...
Assuming the height of your working desk is h=1.0m above the floor, the mass of ypur...
A container holds 144 g of oxygen gas at a pressure of 8.00 atm. How much...
A vertical spring has a length of 0.15 m when a 0.225 kg mass hangs from...
How is internal force relate to a pull-up exercise? how do you calculate internal in pull-up...
can you tell if a substance will float or sink if you only know its specific...
a truck m2=3500kg collides with a stationary car m1=1700kg. after collision, both vehicle move together with...
Two objects are floating in a region free of other gravitating bodies. The first object has...
a 2kg ball moving at 3 m/s strikes a 1 kg ball at rest in a...
In May of 2016, Pluto was 32.65 AU from the Earth. Pluto and its largest moon...
A positive tau (τ+, rest energy = 1777 MeV) is moving with 2025 MeV of kinetic...
The incline is 0.25 m height and has a length of 0.65 m. What is the...
A cylinder with a moveable piston holds 3.60 mol of argon at a constant temperature of...
A student sits on a swivel seat. Initially the student is at rest, holding a spinning...
n = 4.13 mol of Hydrogen gas is initially at T = 367.0 K temperature and...
A toy car having mass m = 1.20 kg collides inelastically with a toy train of...
For an internal spring force collision, what do you think would be the effext of system...
At some instant, an alpha particle (q = +2e) has the coordinates (3.0, 0.0, 0.0)(nm) and...
write up your thoughts on the set of questions listed below. 1) What do you think...
How fast, in rpm, would a 5.6 kg , 23-cm-diameter bowling ball have to spin to...
A certain type of propeller blade can be modeled as a thin uniform bar 2.70 m...
the gravitational acceleration on the surface of a planet (of mass M and radius R) is...
A 4.3 kg particle is projected with an initial speed of 3.7 m/s along a surface...
In space, a 4.0kg metal ball moving 30m/s has a head-on collision with a stationary 1.0kg...
A man stands on the roof of a building of height 14.4 m and throws a...
A ladder is leaning against a vertical wall, and both ends of the ladder are at...
A rocket is launched from rest and moves in a straight line at 70.0 degrees above...
When we observe two charged balloons dangling from thin thread, they can repel each other. We...
A solid wood door 1.00 m wide and 2.00 m high is hinged along one side...
A 6 cm tall object is placed 17 cm away from a concave mirror. The radius...
Exercise: Consider the Bohr Theory Hydrogen atom. a) how much energy is needed to cause a...
Light of wavelength 644 nm passes through a slit 5.80 × 10-6 m wide and falls...
At the local farm you buy a flat of strawberries and place them on the back...
Is my writing for this letter correct? I mean academy and grammar. (you can edit and...
true or false: The resistance of a copper wire increases, when its diameter is increases.
.a 7kg box is sliding across horizontal floor, initial velocity is 0.25m/s, coefficient of kinetic friction...
In a series-connected R-L-C circuit, the frequency is 50 Hz, while the impedance of the circuit...
A 1.40-kg block of wood sits at the edge of a table, 0.760 m above the...
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