Determine

Q: Most of the earth’s atmosphere is the gas nitrogen, which consists of molecules, N2. At the coldest ...

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Q: The moon is 250,000 miles away. How many feet is it from earth?

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Q: If a car is traveling at 25 m/s, how far does it travel in 1.0 hour?

A: Relation between speed, time and distance is -  Must follow below points for unit of the quantity -...

Q: A swan is landing on an icy lake, sliding across the ice and gradually coming to a stop. As the swan...

A: The direction acceleration is to the right .  Hence, option (B) is correct .

Q: Suppose you would like to use the Sun to start a fire in the wilderness. Which type of mirror, conca...

A: A concave mirror will bring the rays together at a point.clearly, the concave mirror should be used ...

Q: When night falls, the temperature of the earth’s surface starts to drop. On a cool night, dew starts...

A: Dew are the condensed tiny water droplets of water vapors present in the earth’s atmosphere and can ...

Q: Small-plane pilots regularly compete in “message drop” competitions, dropping heavy weights (for whi...

A: a) The time for the projectile to hit the target is,  

Q: A radio transmitter broadcasts at a frequency of 142kHz. What is the wavelength of the wave? ( speed...

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Q: The density of charge carriers for copper is 8.47 × 1028 electrons per cubic meter. What will be the...

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Q: A point charge q is located at the center of a cube whose sides are of length a. If there are no oth...

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Q: vector of is given by: The position moving point in Plane RCH)= t Costi t sint s Rind (a):: The spee...

A: Given Value, The position vector of moving point in a plane is:

Q: A particle which moves with curvilinear motion has coordinates in millimeters which vary with the ti...

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Q: Ships A and B leave port together. For the next two hours, ship A travels at 20 mph in a direction 3...

A: Let the ships start from point A and cover distances b and c. let the distance between them after tw...

Q: 8) A heavy book slides down a frictionless plane inclined at an angle 0 above the horizontal. The gr...

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Q: A gas is in a sealed container. By what factor does the gas pressure change ifa. The volume is doubl...

A: Given,

Q: Car A is traveling at a location where the speed limit is 100 km/h. The police officer in car P obse...

A: Initial velocity of car A ,u=125 km/h=34.7 m/s Final velocity of car A, v=100 km/h=27.8 m/s Car A de...

Q: A kinesiologist is studying the biomechanics of the human body. (Kinesiology is the study of the mov...

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Q: Shown is the motion diagram for a rider on a Ferris wheel that was turning at a constant speed. The ...

A: Given: The motion diagram for a rider on a Ferris wheel that was turning at a constant speed. The in...

Q: what did aristotle believe about the relative fall speed of fall for heavy and light objects

A: Aristotle believed that the heavier objects fall faster than the lighter objects.

Q: A 56-kg pole vaulter running at 11 m/s vaults over the bar. Her speed when she is above the bar is 1...

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Q: A transformer has an input of 114 V and an output of 16 V. If the input is changed to 98 V, what the...

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Q: a. Can a vector have nonzero magnitude if a component is zero?If no, why not? If yes, give an exampl...

A: (a) A vector can have a non-zero magnitude even if a component is zero since there may be other comp...

Q: A furlong is 220 yd. A fortnight is 2 weeks. Convert a speed of one furlong per fortnight to millime...

A: Given: A furlong is 220 yd. A fortnight is 2 weeks. It is known that 1 yd=0.9144 m so, 220 yd is 201...

Q: A fixed mass of a gas is held in an adjustable sealed container at a pressure of 100.0 kPa. If the c...

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Q: A particle is displaced 60cm toward the north and is then given a second displacement of 90cm direct...

A: Displacement is defined as the difference between the initial and the final point. Displacement does...

Q: Trial 1 = 1.4m/sec  trial 2 = 1.75 m / sec

A: Introduction: According to Newton’s laws of motion, in basic kinematics, equations of motion establi...

Q: A 25.0 kg child is on a swing as shown in the diagram. The swing is attached to ropes that are 1.25 ...

A: Given -  mass of  child , m =25 kg length of rope , l =1.25 m distance of child from ground , when ...

Q: Question 11 An object at rest explodes into three pieces, two with mass m and the third with mass 2m...

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Q: A motorist traveling on a straight stretch of open highway sets his cruise control at 90.0 km/h. How...

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Q: A vector has an x-component of -25.0 units and a y-component of 40.0 units. Find the magnitude and d...

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Q: An old grindstone, used for sharpening tools, is a solid cylindrical wheel that can rotate about its...

A: The radius of the wheel is r = 0.330 m. The tangential force F = 300 N. The angular acceleration α =...

Q: In 1780, in what is now referred to as “Brady’s Leap,” Captain Sam Brady of the U.S. Continental Arm...

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Q: A large bedroom contains about 1 × 1027 molecules of air. If we model the air as an ideal gas, how m...

A: The expression for the required energy is,  

Q: A bottle of helium gas and a bottle of argon gas contain equal numbers of atoms at the same temperat...

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Q: If you weigh yourself on a bathroom scale at the equator, isthe reading you get greater than, less t...

A: It is known that due to rotation of the earth along its own axis , the weight of a body changes with...

Q: Two seconds are required to bring the piston rod of an air cylinder to rest; the acceleration record...

A: Given data The time is, t = 2 s The initial acceleration is, a=-4 m/s2 The final velocity is, v= 0 m...

Q: 6) Use the 3 relations (equations) below to relate T(°F) to T(°C). Then, find out, at what temperatu...

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Q: What volume is occupied by 1 mole of an ideal gas at a pressure of 1.00 atm and a temperature of 0°C...

A: The expression for the required volume is,  

Q: Two teams are engaged in a tug-of-war. According to Newton’s third law, the red team pulls on the bl...

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Q: A certain lake is proposed as a landing area for large jet aircraft. The touchdown speed of 122 mi/h...

A: Given data The touchdown speed upon contact is v1 = 122 mi/hr. The reduced speed of water is v1 = 18...

Q: Joe is 1.94 m high. What is the minimal size of a plane mirror where he can see a full view of himse...

A: Given data The height of the person named joe is 1.94 m. From the application portion of the topic r...

Q: An elevator suspended by a cable is moving upward and slowing to a stop. Which free-body diagram is ...

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Q: An electric toaster operating on 120 volts draws a current of 53 amperes. The resistance of the toas...

A: Given data *An electric toaster operating voltage is V = 120 Volts *The current is I = 53 Amperes

Q: An electric motor on an airplane operates on 35 volts anddraws a current of 8 amperes.a. What is the...

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Q: You fill up a steel container with cool water to the very top. Now you placethe container in the sun...

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Q: A particle cannot generally be localized to distances much smaller than its de Broglie wavelength. T...

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Q: An elevator, suspended by a cable, speeds up as it moves upward from the ground floor. Draw a free-b...

A: In this case, an elevator is suspending by a cable.   Initially, the elevator moves upward from the ...

Q: a. Give an example of the motion of an object in which the frictional force on the object is directe...

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!