Which of the following graphs shows motion with zero acceleration? * A X 30- 10 t 30 E 10 F 10

Q: What is the power?

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Q: show that RC has a unit of seconds if R is in ohms and C is in F

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Q: When an object is placed  2.0 cm in front of a converging lens, the inverted image is the 4 times…

A: Given data according to question   object distance  =  -2cm

Q: The triceps muscle in the back of the upper arm is primarily used to extend the forearm. Suppose…

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Q: An engineer built the circuit depicted in the figure. Assuming & = 7.60 V and R = 4.70 02, find the…

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Q: K An object of mass 10 kg is released from rest 1000 m above the ground and allowed to fall under…

A: Given m  = 10kg released from rest = 1000m proportionality constant b = 50N-sec/m F1 = mg F2 =…

Q: A 4.00-kg wedge A is placed on a rough inclined surface and is observed to slide down. The…

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Q: An electron that is moving through a uniform magnetic field has a velocity v = (46 km/s)i + 40…

A: Given DataVelocity of the electron v→ = 46 km/si^ +40 km/sj^Force on the electron is  F→ =…

Q: ) Convert Polar to Rectangular form 17268deg.

A: Given Polar coordinate = 17<68° We have to convert it into rectangular form.

Q: Calculate the electric field for all regions for a charged sphere. The sphere has a charge density…

A: The volumetric charge density of the sphere is ρv from R=2 to 3 Since the charge is distributed from…

Q: The telescope of a spy satellite is reputed to be able to resolve objects 9 cm apart from an…

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Q: 6. An electron is accelerated by a potential difference of 100 V and subsequently enters a uniform 2…

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Q: A rocket with a mass of 1 ton is launched vertically. Its initial speed at T = 0 is 1200 km/h, its…

A: We are given mass of rocket. We are also given air friction acting on it. We first find the net…

Q: You are looking for a mirror that will enable you to see a 3.3-times magnified virtual image of an…

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Q: We have found another solar system around a star which has the same mass as our Sun. Suppose that a…

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Q: A 500 g object attached to a cable is moving downward with an acceleration of 2.54 m/s2. a) What is…

A: Given data:  Mass (m) = 500 g = 0.500 kg Acceleration (a) = 2.54 m/s2, downward Required: Weight of…

Q: Try another version > Example 1 A block with mass m = 5.5 kg is connected to a pulley by rope (see…

A: mass = m = 5.5 kg radius = r = 0.3 m height = h = 15 m

Q: 4. An object is 30 cm from a thin, positive lens. The focal length of the lens is 10 cm. Where will…

A: The object is placed 30 cm in front of convex lens of focal length 10 cm. The lens formula gives the…

Q: n2 n1 13.4 cm 15.0 cm

A: Given,  √(13.42+152)= 20.11 cm

Q: In the following assembly, which rope has the largest tension force? AC AD Same for all Cannot be…

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Q: The energy of a particle in a cube of side a is given by 3π²¹h² n², where n = 1, 2, 3, … μαζ ...…

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Q: Calculate the velocity (in m/s) of a 0.345-g object that has Ek = 23.5 J.

A: Write the expression for the kinetic energy. Ek=12mv2 Here, m is the mass and v is the velocity.

Q: The helium-neon laser usually used in classrooms typically provides an intensity of about 1m/mm².…

A: Given, The intensity provided by the helium-neon laser,  I=1 mW/mm2=10-310-6=103 W/m2

Q: 4. A 58.5-kg astronaut is doing a repair in space on the orbiting space station. She is at rest…

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Q: Find the unknown values of voltage and current in each resistor as circuit diagram.

A: The value on each resistance was same i.e., +20 V as all the resistance are linked in parallel…

Q: The question below refers to a toy car which can move to the right or left along a horizontal line…

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Q: Determine the reaction force at point B 92.5 N 50 N 75 N 65.5 N 67.5 N 60 N 4m 2 N/m 6 m 2 m B 4m 80…

A: Draw the free-body diagram of the system.

Q: In the figure, a wheel of radius 0.392 m is mounted on a frictionless horizontal axis. The…

A: GIVEN-              wheel of radius= 0.392 m                 rotational inertia of the wheel about…

Q: A car is driving along an x-axis where the position function is:  x(t) = A + Bt5  A = 7 m and B =…

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Q: What is the resistance of a 1.00x10², a 2.5x10³, and a 4.00x10³ resistor connected in parallel?

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Q: In the experiment, we will be using Snell's law to measure the index of refraction of a material.…

A: Given :  θ=30°θ=0.5°

Q: A cannon ball with a mass of 9.50 kg is fired into the air with a speed of 25.0 m/s at an angle of…

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Q: Light from a distant point source is incident on a narrow slit. The graphs show the intensity on a…

A: In a single-slit diffraction pattern, the wider the slit is, the narrower the central diffraction…

Q: When an object is placed at the proper distance to the left of a converging lens, the image is…

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Q: Imagine a particle that can be in only three states, with energies -0.05 eV, 0, and 0.05 eV. This…

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Q: I. II. III. IV. D The acceleration of the toy car is zero. The acceleration of the toy car is…

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Q: A person of mass 65.0 kg is standing on a weighing scale inside an elevator. Three cases are shown…

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Q: A pair of forces with equal magnitudes, opposite directions, and different lines of action is called…

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Q: The Sun is 8 light minutes from the Earth. How far is the distance between the Earth and Sun in…

A: Given, Sun is 8 light minutes from earth. That means light take 8 minutes to reach earth.

Q: PRACTICE IT Use the worked example above to help you solve this problem. An pickup truck with mass…

A: Note:- “Since you have asked multiple questions, we will solve the first question for you. If you…

Q: Write a word problem with the picture below. You can pick your own numbers and find the radius or…

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Q: Why Nicolas Copernicus famous for

A: Nicolas Copernicus was Polish astronomer and mathematician.

Q: An 80-kg superhero sits at rest on top of a 5.0 meter wall as shown below. Using a rope, he swings…

A: a) The reduction in potential energy = msuperhero×gh Hence the kinetic energy will also increase by…

Q: A 10-kg mass attached to a spring stretches it 0.7 m from its natural length. Assuming no external…

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Q: How close together can two parallel conducting plates, with a potential difference of 5.0x10³ V…

A: Given data:  Potential difference (ΔV) = 5.0×103 V Electric field (E) = 3.0×106 V/m Required: The…

Q: An F1 racecar is speeding around the track at 233 mph when it passes by a seated spectator. The…

A: Given:- The speed of the race car is  vracecar= 233 mph when it passes by a seated spectator The…

Q: When the temperature of a rod is changed, the length of the rod would change. This is called the…

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Q: A 2000 kg car is traveling East at 45 m/s while a 1500 kg car travels North at 30 m/s.  They collide…

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Q: A 2kg mortar shell in a fireworks display rises from the ground to a height at which it is moving…

A: The following problems involves the law of conservation of momentum. The principle says that the…

Q: Consider a makeup mirror that produces a magnification of 1.65 when a person’s face is 14 cm away.…

A: Given data:   Magnification (m) = 1.65 Object distance (u) = -14 cm Required: The focal length of…

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –