Question 1 How much the spring was stretched from it's natural length? Express your answer in centimeters (cm). Question 2 What is the spring constant? Express your answer in N/m.

Q: Tectonic plates are large segments of Earth's crust that move slowly. Suppose one such plate has an…

A: 11) Given  Average speed v=4cm/yr time 1 s

Q: 1. An SUV hauling a trailer is travelling at 25 m/s when the driver hits the brakes. The 1.4 MT…

A: Force brings about motion and changes in it. This force produce acceleration and hence the changes…

Q: Hydrogen atoms can absorb energy corresponding to four spectral lines with wavelengths in the…

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Q: What is the force by tension between the 3 kg bucket and the 7 kg bucket on the right? A 56.5 N

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: ii) Describe the major difference between TN-C-S system and TN-S earthing systems using sketches…

A: TN-S Earthing system: TN-C-S Earthing system:

Q: If a force acts perpendicular to the direction of motion of a body, what is the amount of work done?…

A: C is correct

Q: 6. Consider the system shown in the figure. Block A weighs 45.0 N and block B weighs 25.ON. Once…

A: Given data: Weight of block A ( WA )= 45 N Weight of block B ( WB )  = 25 N Weight of cat Wcat = 45…

Q: 6. (a) Find the magnitude of the electric force between a Na¹ ion and a Cl¯ ion separated by 0.50…

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Q: What is the equivalent resistance between points B and A? Also find current of the resistor R1 when…

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Q: A 10 g bullet leaves the 0.75 m barrel of a gun with 250 m/s speed. The force exerted on the bullet…

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Q: A 36 kg block is moving across a horizontal surtace at 9.5 ms What is the magnitude of the force…

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Q: -kg man jumps 1.00 m down onto a concrete walkway. His downward motion stops in 0.04 seconds. If he…

A: Here, we calculate the given as follow;

Q: We rest our calculator on a physics book; the surfaces have coefficients ?s = 0.45 and ?k = 0.25.…

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Q: 3. A bird tries to lift a worm by flying 47 degrees above the horizontal once it grabs it. If the…

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Q: Zach, whose mass is 70 kg, is in an elevator going up at 6.0 m/s. The elevator takes 2.0 s to stop…

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Q: Wv² A parachutist is falling with speed of 55 m/s when his parachute opens. If the air resistance is…

A: Given, The velocity of the parachutist when his parachute opens:, v0 = 55 m/s The total weight of…

Q: 6. Calculate the magnitude of the resultant of three concurrent forces: The first force is 200 N…

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Q: A horizontal carousel is rotating around its axis with constant angular velocity w. On the carousel…

A: Step 1: here we have solved for question a Step 2: here we have solved for question b  Step 3: nil…

Q: In the figure shown, two masses being pulled by a force F = 15 N on a horizontal smooth surface. If…

A: Given: The two blocks are pulled by a force of 15 N.            The tension in the string is 5 N.…

Q: 46. Roller coasters use some of the most sophisticated technology. Safety is a big part of that…

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Q: Q4. a) With the aid of suitable labelled diagrams, describe the processes of carrier generation and…

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Q: A 0.15 kg marble is on a track. It is being held at the top of a hill that is 10 m high. If it is…

A: According to the conservation of energy, energy of an isolated system is conserved. i.e. energy can…

Q: 4. A parallel-plate capacitor in air has a plate separation of 1.35 cm and a plate area of 35.0 cm2.…

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Q: Q9. An object (4.0 kg) is moving on a frictionless surface at a constant velocity (4 m/s), how mi…

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Q: constant force acts on a 5.0 kg object and reduces its velocity from 7.0m/s to 3.0m/s in a time of 3…

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Q: 13. 54-kg box is sitting on the floor of a level railroad car which is moving forward with a speed…

A: mass of box = 54 kg speed = 25 m/sa = 5.6 m/s2

Q: A boy has a weight of 80 N on the moon, where g = 1.6 m/s2. The mass of the boy is O a. 50 kg O b.…

A: Given : W = 80 N g = 1.6 m/s2

Q: A stone has a weight of 40 N on the Mars, where g = 3.7 m/s?. The mass of the stone is a. 4.08 kg O…

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Q: A person is trying to lift a box off the floor. The box has a mass of 55kg and the person can lift…

A: In this question a person is trying to lift a box of 55kg , with a force of 300 N.

Q: 2. What's the net force on a 2 kg mass spinning in a circle with a 1.50 m radius at a frequency of 4…

A: 2) Given: m=2kg, r=1.5m, f=4Hz The force acting on the mass i.e spinning in a circle is centripetal…

Q: Calculate the final speed of the 2.00-kg object that is pushed for d =25.0 m by the F-50.0 N forc…

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Q: Suppose a 4.25 slug gymnast is climbing a rope.  a. What is the tension, in the rope, in pounds if…

A: The objective of this question is to calculate the tension in the rope when a gymnast is climbing…

Q: Perhaps the most important safety tip for operating motorcycles, off-road vehicles, mopeds, and…

A: The correct option is (C) .  i.e  always wear a helmet.

Q: Two resistors are connected in parallel as shown in the figure. What is the value of R, and IT? + VT…

A: VT = 150 volts V1 = 150 volts R1 = 130 ohm I2 = 0.7 A

Q: During a steady right turn, a person exerts the forces shown on the steering wheel. Note that each…

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Q: A 140-gram apple fell from a tree and hit Sir Isaac's head. What is the force exerted by Sir Isaac's…

A: Given data: A apple fell from tree  Mass (m) = 140 g = 0.140 kg Required: The force exerted on the…

Q: A student weighs 200 N. If he is in an elevator that is accelerating upward at 2.00 m/s/s, what will…

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Q: A student gets on an elevator and stands on a scale. Before pressing a button, the scale reads 680.…

A: Given: Scale reads 680 N Elevator accelerates scale reads 800 N

Q: Compute the combined moment of the two 85-lb forces about (a) point O and (b) point A. The moment is…

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Q: During football practice the team pushes the blocking sled 20m by doing put on the sled? 6000kgm/s²…

A: Given data:  Displacement (d) = 20 m Work (W) = 6000 kgm2/s2 Required: Force (F)