If an object feels an impulse J→ then... a) the velocity of the object must be constant b) the force acting on the object must be constant c) the object's momentum must have changed d) the object

Q: A 0.145-kg baseball pitched at 37.5 m/s is hit on a horizontal line drive straight back at the…

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Q: How do you calculate the buoyant force when given:  Tension of wooden block on spring scale:…

A: So we have given the tension of wooden block on spring scale i.e 0.6217N means it is weight of…

Q: A 10-cm-tall object is located in front of a diverging lens with a power of -5 diopters. 1)…

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Q: A light is suspended using two support struts: AB and CB. If the mass of the light fitting Wis 40kg,…

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Q: A child is pushing a merry-go-round. The angle through which the merry-go- round has turned varies…

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Q: 1. An individual holds a 20 Kg bar, 5m long, by pulling on a cable (see Figure ). Derive the tension…

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Q: Two billiards balls are initially traveling toward each other at speeds of 2.30 m/s for ball 1 and…

A: In an elastic collision, the total linear momentum and the total kinetic energy of the system is…

Q: You drop a 15-g ball from a height of 1.5 m and it only bounces back to a height of 0.85 m. What…

A: We have given that a 15-g ball drop from a height of 1.5 m and it only bounces back to a height of…

Q: Find the x and y-coordinates of the center of gravity of a 4.00-ft by 8.00-ft uniform sheet of…

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Q: An object on the Earth has a center of gravity that is 6.0 cm above its base. If the same object was…

A: Given, an object whose center of gravity is 6 cm above its base at earth.Acceleration due to gravity…

Q: Boiling water was placed in a freezer maintained at a temperature of -15 degrees Celsius to have the…

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Q: A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon…

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Q: A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. The…

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Q: Consider a 2.5-cm tall candle positioned 7.5 cm in front of a concave spherical mirror with a radius…

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Q: Let B = 4.60 m at 60.0°. Cand A have equal magnitudes. The direction angle of C is larger than that…

A: The magnitude of The angle of , The value of The value of The angle of , The magnitude of   is

Q: Arrange the listed objects according to their angular speeds, from largest to smallest. • a tire of…

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Q: As shown in the figure, a long wire carries a current i₁ = 30 A and a rectangular loop carries…

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Q: The block in the drawing has dimensions Lox2Lox3Lowhere Lo -0.4 m. The block has a thermal…

A: The heat flow rate is given by Given information:Lo = 0.4 m, K = 100 J/s.m. 0C  , T' = 26 0C, T = 16…

Q: A truck has tires with a radius of 40.0cm. If the vehicle is driven 80,000 km (80,000,000 m) before…

A: if a car travels certain distance after the wheel completes N number of revolutions then the number…

Q: 8. How many (whole) dark fringes will be produced on an infinitely large screen if green light (A =…

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Q: A 250-g object attached to a spring oscillates on a frictionless horizontal table with a frequency…

A: If an oscillation of a spring is centered at x=0 then speed at displacement x is given by

Q: The drawing shows two identical systems of objects; each consists of the same three small balls…

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Q: Suppose the first-order maximum for 470 nm blue light being transmitted through a diffraction…

A: We have given the first-order maximum for 470 nm blue light being transmitted through a diffraction…

Q: A compact disk on a CD player rotates clockwise. The disk completes one revolution in 0.332 s. (a)…

A: Given Time taken to complete one revolution t=0.332sDistance of point r=4.73cm=0.0473 m

Q: With what impulse does a 0.30-kg newspaper have to be thrown to give it a velocity of 3.4 m/s?…

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Q: 8. WA proton moves with a velocity of V = (21-4j+k) m/s in a region in which the magnetic field is B…

A: See below

Q: 1. A bicycle pump inflates a tire of volume 565 mL until the gauge pressure is 6.47 bar at a…

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Q: ▼ Part A How much work must you do to push a 10.0 kg block of steel across a steel table (μ = 0.60)…

A: Mass of block m = 10 kg  speed of block V = 1.0m/s time taken t = 3.40s uk = 0.60

Q: PROBLEM 1 Shown in the picture is the ammonia molecule, NH3. The hydrogens are at the corners of an…

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Q: Which of the following is least reasonable regarding stars on a Hertzsprung-Russell diagram?…

A: The Hertzsprung-Russell (H-R) diagram is a scatter plot of stars showing the relationship between…

Q: The figure shows an overhead view of a disk rotating at constant angular acceleration, like a…

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Q: The mysterious visitor that appears in the enchanting story The Little Prince was said to come from…

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Q: The following graph shows the velocity of an object in one dimension over time. 5;s 10 S 15 s 20 25…

A: We need to find acceleration at t=5, 12.5, 25 second.

Q: a man pulls up a box of mass 70kg using an inclined plane of effective length 5m unto a platform…

A: Mass of the box  m = 70 kgLength of the incline L = 5mHeight of the incline = 2.5 mAngle of the…

Q: wo astronauts, one of mass 60 kg and the other 90 kg, are initially at rest together in outer space.…

A: Mass, m1 = 60 kgMass, m2 = 90 kgDistance moved by lighter astronaut is 12 m.

Q: A global positioning system (GPS) satellite moves in a circular orbit with period 11 h 58 min.…

A: As per our guidlines we are instructed to answer only  3 sub-parts per session. Kindly post the…

Q: That is the same thing I was getting but it's saying it is incorrect.

A: Given Data:The length of the side of the cubical box is The number of moles of neon gas is The…

Q: What is the proper magnetic field produced by the two currents shown?

A: Since B is inversely proportional to r, then the magnetic field is strong near the wire and weaker…

Q: You open a door pushing it at 0.40 m from the axis of rotation, perpendicularly to the door. The…

A: Given data:Distance of application of force from axis of rotation, r = 0.40 mMass of door, M = 31…

Q: A merry-go-round starts from rest and accelerates uniformly over 19.5 s to a final angular velocity…

A: Linear velocity =    -------------(1)v = linear velocityr = radius = angular velocityTo calculate…

Q: The figure above shows, in cross section, two long parallel wires spaced by distance d; each carries…

A: We have given two long parallel wires spaced by distance d; each carries a current i. The direction…

Q: Find the linear momentum and kinetic energy of a bullet of mass 5 .20 * 10 ^ - 2 kg moving at a…

A: (A) Mass of bullet m = 5.20 × 10-² kg Speed of bullet V = 320 m/ s Linear momentum p = mv P = 5.20 ×…

Q: Calculate the thermal energy, in units of J, of a system at room temperature (23.0°C)

A: Temperature, T = 23° C = 23 + 273.15 K = 296.15 KEnergy, E = ?

Q: Kyle lays a mirror flat on the floor and aims a laser at the mirror. the laser beam reflects off the…

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Q: A 6.5×10¹2 kg object is 3.2×10 m away from a 3,800 kg object. Calculate the force of gravity between…

A: Mass, M = 6.5×10¹² kgMass, m = 3800 kgSeparation, r = 3.2×10⁴ mForce, F = ?

Q: A third-order diffraction maximum is observed when a 0.862 Å X-ray beam is diffracted by the planes…

A: The objective of this question is to find the distance between adjacent (111) planes of a copper…

Q: A gas mixture contains 3.0 moles of (O2) and 9.0 moles of Argon (Ar) at a temperature of 300.0 K.…

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Q: Find the flux of F = xi - 2yj + zk across the portion of cylinder x² + z² = 9 in the first and forth…

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Q: The 17.0 cm long rod in the figure below moves at 4.00 m/s. What is the strength (in T) of the…

A: For the given situation Length of rod (l) = 17.0 cm = 0.17 mVelocity of rod v = 4 m/sEmf induced (e)…

Q: After removing the dielectric, the plates are insulated so that the charge on them remains fixed. If…

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