When a net external force is applied which of the following could be true Group of answer choices Object starts Object changes direction Object speeds up Object stops Object slows down

Q: A moving train iy brought to reset whAhien 20se by -akalying braker Find the initilad velocidy,if th...

A: Given data :                Final velocity  =  v                 Acceleration  =  a                 ...

Q: 5For the case of myoglobin, where mnet =4000 g/mole, how fast does a centrifuge have to spin before ...

A: Step 1 2″N 2 πX15000 W= = 1570 rad/s   60 60   The bowl volume, V-b(1₂²-1²)   = π x 0.25(0.02²-0.01...

Q: 4. A racing car has a uniform acceleration of 4 m/s2. What distance will it cover in 10 seconds afte...

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Q: Calculate the work needed for a bird of mass 120 g go to fly a height of 50 m from the surface of th...

A: Given data The mass of the bird is given as m = 120 g. The height on which the birds fly is given a...

Q: If a final image is formed at a distance of 25 cm from the eyepiece of a microscope with a total mag...

A: Given data: The magnification is m=330. The final image is d=25 cm. The focal length of objective is...

Q: 1.11 Apply the grid method to calculate force using F = ma. a. Find force in newtons for m = 10 kg a...

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Q: A 32-kg object #1 having an initial velocity of 42 m/s to the right collides with a 68kg object #2 m...

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Q: The second law of thermodynamics states that we cannot build a perfect heat engine. Explain why. Avo...

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Q: The radial probability density of a hydrogen wavefunction in the 1s state is given by P (r) = |4rr² ...

A: Step 1 We have the wave function given by R(r)=π−1/2ao−3/2e−r/ao and radial probability density P(r...

Q: What is the inductance of a coil whose resistance is 101 Ω if it draws 0.53 A from a 111-V, 58-Hz po...

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Q: -) Now the two capacitors, C = 5.00 µF and C2 = 12.0 µF, are connected in series to a 9.00V battery....

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Q: The wavelength of a standing wave on a string with two nodes and one antinode is 12 meters. Find the...

A: Given: standing wave on string with two nodes and one antinode λ=12 m

Q: A tiny sphere of mass 8.30 mg and charge -2.80 nC is initially at a distance of 1.44 µm from a fixed...

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Q: A crate with mass 4 kg and initially at rest on a frictionless horizontal plane is acted upon by a h...

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Q: A bullet is fired into the air with an initial velocity of 1,500 feet per second at an angle for 45°...

A: Express the constant horizontal velocity, ux, of the bullet. ux=ucosθ Here, u is the initial velocit...

Q: 2. A battery has a charge of 3.5mC. It has an initial EP of 600V which moves to the final EP with 80...

A: Given  Charge is q=3.5×10^-3 C Potential difference is =800 V-600 V= 200 V

Q: A car initially traveling eastward turns north by traveling in a circular path at uniform speed as i...

A: Given, length of the arc ABC, 214 mtime taken to complete, t = 34.0 s

Q: You launch a projectile at an initial speed of 30.9 m/s from the ground. After 3.40 seconds of fligh...

A: Given Data: The initial speed of the projectile is: u=30.9 m/s The time of flight of the projectile ...

Q: What happens when the loop encloses no current? What happens when the loop encloses both positive (o...

A: Let Ampere's circuital law is applied to an ideal solenoid. 

Q: Tiny sensors in smartphone could be used to determine the position of the phone on the Earth's surfa...

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Q: Why is it that we model the parallel plate capacitor using the electric field of of an infinite shee...

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Q: talk about Earth's radiative budget, what happens to electromagnetic radiation as it enters Earth's ...

A: The total balance between the incoming energy from the sun and the exiting thermal (longwave) and re...

Q: A point charge q1 = +5.00 μCoul is held in fixed space. From a horizontal distance of 6.00 cm, a sma...

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Q: 1.11 Apply the grid method to calculate force using F = ma. a. Find force in newtons for m = 10 kg a...

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Q: . At the surface of Mars, the acceleration due to gravity is g = 3.7 m/s?. A watermelon weighs 45 N ...

A: Given data:  Weight on earth (W) = 45 N Acceleration due to to gravity on Mars (g') = 3.7 m/s2 Requi...

Q: What movements do you think require greater peak mechanical power delivered to a barbell in these Ol...

A: In weight lifting, greater peak mechanical power is delivered to a barbell. WEIGHT LIFTING is the ac...

Q: You and your friends are doing physics experiments on a frozen pond that serves as a frictionless, h...

A: Given,mass of sofia, mS = 78.0 kgmass of elena, mE = 52.0 kginitial speed of sofia, v→s = vsi^initia...

Q: accelerates from rest to a velocity of 40 m/s in 5.0 seconds. The brakes

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Q: Figa O Screen Shot 2022-02-28 at 11.57.22 PM.png You Determine the equivalent capacitance of the cir...

A: We know that resultant of capacitance C1 and C2 in series is given as C= C1C2/(C1+C2) And in paralle...

Q: How do heat and work affects a system?

A: Answer Heat and work are two different ways of transferring energy from one system to another.

Q: ecelerating fluid will tilt under uniform rigid body acceleration. True D False

A: True

Q: |1 Apply the grid method to calculate force using F = ma. Find force in newtons for m = 10 kg and a ...

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Q: A 203 kg wooden cart moving at 57 m/s slams into a wall. It then rebounds -21 m/s. Solve for the imp...

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Q: What does the coefficient of volume expansion of a fluid represent? How does it differ from the coef...

A: Here we will discuss about the coefficient of volume expansion of a fluid.

Q: 1. Compute the force of attraction between a 1.60 x 10-19 C eharge and a -2.09 x I0-18 C charge if t...

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Q: Two solid cylindrical rods (1) and (2) are joined together at flange B and loaded, as shown. If the ...

A: To find minimum diameter for each rod use the formula of normal stress and put the values to solve ....

Q: 40.0 Kg box is being pulled along a rough horizontal lable at constant velocity. The pulling force i...

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Q: The temperature of 0.150 mol of an ideal gas is held constant at 350 K while its volume is reduced t...

A: Given in question - Constant temperature(T) = 350K                                                  ...

Q: Determine the resultant force, given that: theta = 12 degrees; F= 75 KN

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Q: 3- What is the temperature on the Fahrenheit scale on a day when the temperature is 10-C?

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Q: A wooden skewer and a piece of wire have the same dimensions: a length of 0.20 m and a cross-section...

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Q: A coil 2.00 cm in radius, containing 400 turns, is placed perpendicularly in a uniform magnetic fiel...

A: Radius of the coil r=2 cm, number of turns in the coil N=400 which is placed in an uniform magnetic ...

Q: Consider three infinite line charges with charged densities λ, -2 λ, 3 λ placed at y = d, 0, -d resp...

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Q: Vector A has a magnitude of 12. When it makes an angle of 30° with the +x axis. What is its y compon...

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Q: Background: A small circular loop of wire of radius 5 cm and resistance 1E-3 Ω is centered inside a...

A: Firstly we have to understand what is given Current = 8 Ampere radius r1 = 5 cm = 0.05 m radius R2 ...

Q: How much stronger does a magnitude 8.2 to a 5.0 magnitude?

A: Given that                           Magnitude(M1 ) = 8.2                           Magnitude(M2) = ...

Q: A flash unit for a camera has a capacitance of 1300 µF. What resistance is needed in this RC circuit...

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Q: For each circuit, find the equivalent capacitance, and the voltage across and charge on each сараcit...

A: Please note : As per answering guidelines i can answer the first question only. Since, this is not a...

Q: A high-voltage power transmission line is 200 km long, and is constructed of aluminium cable of diam...

A: Givenlength (l) =200 km =2 × 105 mDiameter (d) 30 mm⇒ Radius (r) =15 mm = 15 × 10-3 m

Q: A projectile is fired from the ground, reaches a maximum height of 40.4 m and lands a distance of 22...

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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!