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Q: A baseball is thrown with a velocity of -45 m/s (negative because it is moving toward the batter). T...

A:   The initial velocity of the ball, vi=-45 m/s The final velocity of the ball, vf=70 m/s The time du...

Q: A rocket ship is initially stationary on the launchpad. It accelerates at a rate of 3m/s/s for a tim...

A: Given data The initial velocity of the rocket is u = 0. The acceleration of the rocket is a = 3 m/s2...

Q: Twenty (20.0) mL of argon gas is stored at STP. If the temperature and pressure are both doubled, wh...

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Q: If a car is driving with a velocity of 30m/s, how long will it take to travel 220 m?

A: Given data The velocity of car is v = 30 m/s. The distance travelled by car is d = 220 m. The time t...

Q: How far apart (in mm) must two point charges of 65.0 nC (typical of static electricity) be to have a...

A: From Coulomb's law we have, F=14πε0q1q2r2   =kq1q2r2   Thus, the separation distance will be, r=kq1q...

Q: In the methane molecule, CH4, each hydrogen atom is at the corner of a regular tetrahedron with the ...

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Q: An airplane accelerates at 15 m/s2. How much time (in second) does it take to speed up from 100 m/s ...

A: write the kinematic equation, v=u+at

Q: Physics Question

A: Given: The weight of the engine is w. The tension in the cable is T1.

Q: 1. If a solid glass fiber (23.2 um in dia and 120.1 mm length) is heated at 650 C (y = 0.30 J/m), fo...

A: As per guidelines, the first question (#1) has been answered. Radius of the sphere is, πD22L=43πr3r=...

Q: The position vs. time graph of a moving particle for a time interval of 23 seconds is shown below. E...

A: We know that, Distance= Velocity x Time. Now, Instantaneous velocity at t=11s can be given by findin...

Q: A shopper pushes her 25 kg grocery cart by a force of 225 N inclined at an angle of 60° with the hor...

A: a)  work done is, W=F·d    =Fdcosθ    =225 N7.5 mcos60°    =843.75 J Thus, the work done by the forc...

Q: A circuit conducting loop lies in the :xy-plane as shown in Figure .The loop has a radius of 0.2m an...

A: The flux through the loop is, ε=-dφdt=-ddtBA=-πr2ddtB=-πr2ddt40sin104t=-40×104πr2cos104t

Q: In Figure shows the electric field lines near two charges and . What is the ratio of their magnitude...

A: The red colored charge is having a positive charge, (consider q1) and the other charge (consider q2)...

Q: What is the time required for an object starting from rest to fall freely 500 meters near Earth’s su...

A: The second equation of motion is given as, Here, S denotes the distance covered by the object, u de...

Q: A coach is hitting pop flies to the outfielders. If the baseball (m = 145g) stays in contact with th...

A: The average force is, F=mv-mutF=mv-ut

Q: Your friend has a near point of 138 cm, and she wears contact lenses that have a focal length of 35....

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Q: A hollow conducting sphere has an inside radius of r1 = 0.13 m and an outer radius of r2 = 0.34 m. T...

A: Total charge on a conductor lies at its surface. Ant charge present inside a conductor moves to its ...

Q: If a wind instrument, such as a tuba, has a fundamental frequency of 32.0 Hz, what are its first thr...

A: The fundamental frequency of the tuba is given. Thus, write the expression for the fundamental frequ...

Q: The position vs. time graph for an object is shown here. What is this object's acceleration? (Note t...

A: A curved position time graph represents an accelerated motion. The given graph of position vs. time ...

Q: (I) A 12-cm-radius air duct is used to replenish the air of a room 8.2 m x 5 m x 3.5 m every 12 min....

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Q: rart D As a physicist, you put heat into a 500.0 g solid sample at the rate of 10.0 kJ/min, while re...

A: Formula of specific heat is as follows; C=Qm∆T                                                      ...

Q: A 13.0-kg bucket is lowered vertically by a rope in which there is 165 N of tension at a given insta...

A: If an object is moving down by a rope, then according to Newton's second law :; Net force on the obj...

Q: What sound intensity level in dB is produced by earphones that create an intensity of 4.00 × 10−2 W/...

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Q: A brick is resting on a level, smooth surface. When a student applies a horizontal force of 5 N to t...

A: Given data The applied force is F=5 N The friction force is f =5 N The force diagram of the brick is...

Q: An object is thrown upward. 4.0 s later it has a velocity of -3.0 m/s. At what velocity was it throw...

A: The given values are, t=4.0 sv=-3.0 m/s

Q: The flux through each turn of a 100-turn coil is (t3 - 2t) mWb, where t is in seconds , the induced ...

A: Given, number of turns, N=100 flux, φ=t3-2t mWb induced emf, ε time, t = 2 s So, the induced emf can...

Q: An elephant, an ant and a professor jump from a lecture table. Assuming no frictional losses, which ...

A: Kinematic expression for final speed v2=u2+2as since the initial velocity of the elephant, ant and t...

Q: Please help solve for Fnet

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Q: The batteries of a submerged non-nuclear submarine supply 1000 A at full speed ahead. How long does ...

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Q: A juggler throws a bowling pin straight up with an initial speed of 6.7 m/s from an initial height o...

A: According to the kinematics equation, yf=yi+vyit+12ayt2yf-yi=vyit-12ayt2

Q: One mole of an ideal gas in a sealed rigid container is initially at a temperature of 100°C. The tem...

A: Given data The number of mole of an ideal gas is n =1. The initial temperature of the gas is Ti = 10...

Q: A clock battery wears out after moving 10,000 C of charge through the clock at a rate of 0.500 mA. H...

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Q: Martian Day. What is the angular speed in rad/s for a point on the surface of Mars due to its rotati...

A: Given : Radius (R) = 3400 km  Time (T) = 24.6 h = 24.6 x 60 x 60 T = 88560 seconds 

Q: describe the energy transformations that occur as a satellite orbits earth in a highly elliptical or...

A: Given Describe the energy transformations that occur as a satellite orbits earth in a highly ellipti...

Q: You slide your phone on a countertop down to a friend. If the phone is 2.7kg, and the countertop has...

A: Given data The mass of the phone is m = 2.7 kg. The coefficient of friction is μ =0.15. The force ac...

Q: The brakes are applied to a moving vehicle, causing it to uniformly slow down. While slowing, it mov...

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Q: 77. A car is towing a boat on a trailer. The driver starts from rest and accelerates to a velocity o...

A: According to Newton's second law, T=ma                               ...... (1) According to the kin...

Q: . A series RLC circuit has components with the following values: L = 20.0 mH, C = 100 nF, R =20.0 Ω,...

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Q: Kindly solve all parts

A: Hai, since there are multiple sub parts posted, we will answer the first three sub parts. (a) The he...

Q: A sandwich board advertising sign is constructed as shown in Figure 5.39. Its mass is 6.90 kg. (a) C...

A: Consider the free-body diagram of the half part of the board, because of its symmetry from the middl...

Q: A 4.0-cm-diameter flower is 200 cm from the 50-cm-focal-length lens of a camera. How far should the ...

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Q: Please draw the picture and label each force. how is the answer 12.2 m/s^2

A: Given data *The given mass is m = 0.500 kg *The cord length is l = 1.50 m *The given maximum tension...

Q: Assume that the brakes in your car result in a constant deceleration of magnitude a, which is indepe...

A: Let the initial and final velocities of the car be denoted as u1 and v. Use the third kinematic equa...

Q: if an 80 kg sprinter can accelerate from a standing start to a speed of 10 m/s in 3 s, what average ...

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Q: Repeat the below example , but for a wire made of silver and given there is one free electron per si...

A: Given: The diameter of the copper wire is 2.053 mm. The current in the copper wire is 20.0 A. The de...

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”