Why do you think if there was drag force (air resistance), the total time would change; what does drag do?

Q: Bernadetta has a mass of 58 kg. She is riding her skateboard east at 6 m/s. She collides with Sylvai...

A: given: mB=58 kguB =6 m/s ( towards East)us= 3 m/s (towards West)V = 0.3 m/s (towards west)

Q: The current in the circuit above is 0.5 A. We will refer to the battery on the left as 1, and the ba...

A: Given:

Q: Suppose you would like to double the speed of a wave on a string. By what multiplicative factor mus...

A: The formula for the speed of a wave in the string is v=Tm

Q: A 380.0 g  volleyball approaches a player horizontally with a speed of 15.0 m/s.         The player...

A: Given: The intial velocity of the ball is 15. m/s. The mass of the ball is 380 g. The applied force ...

Q: Tensile force tends to cut the body in two. (true or false?)

A: If equal and opposite forces are applied to a body they tend to elongate it, such type of force is k...

Q: An appropriate such shock can be provided by a discharge of a 10 μF capacitor that has been charged ...

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Q: Given a potential, V = a/x? + b/x . What is the expression for the Electric Field? If a = 0.02 and b...

A: As per our policy, we answer the first question. If you need solution for second one, please ask it ...

Q: Define velocity and state the difference between instantaneous velocity and average velocity

A: To define : Velocity   

Q: Explain KCL and KVL with suitable circuit diagrams. Apply Kirchhoff's law and find the branch curren...

A:

Q: What is the density of a block (in kg/m^3) of wood that floats in water with 5% of its volume above ...

A: Let volume of block = V volume of block above water = 5% of V = 0.05 V volume of block immersed  V'=...

Q: Get the phase difference of the two signals. Only the absolute value of the angle is needed. a(t) = ...

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

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Q: figure below shows a family of parallel equipotential surfaces ( in cross section) and five paths al...

A: Charge on electron =-1.6 × 10-19 C Electric field is negative gradient of electric potential.

Q: ubmit Answer Tries 0/5 d the work done by the weight of the block. ubmit Answer Tries 0/5 d the kine...

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Q: A loudspeaker of mass 22.0 kg is suspended a distance of h = 2.40 m below the ceiling by two cables ...

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Q: Given Q = and S = Find a such that Q 1 S.

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Q: 1. A point particle has a charge of 7mC with electric potential of 400V. What is the electrical pote...

A: Given Charge q =3.5 mC = 7 × 10-3 C Electric potential V = 400 V 

Q: How many calories does an electric heater of 10 watts generate per  second

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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: A bowling ball (mass = 7.4 kg, radius = 0.11 m) and a billiard ball (mass = 0.37 kg, radius = 0.028 ...

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Q: Protons having a kinetic energy of 3.10 MeV are moving in the positive x-direction and enter a magne...

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Q: You take a three-day hike.  On the first day, you travel 5.0 km heading east.  On the second you enj...

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Q: Find the electric field, in rectangular component form, at the point, P in the diagram below due to ...

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Q: You obtain the following value of the gravitational acceleration: (9.87 ± 0.08)m/s². Knowing that th...

A: The force of gravity Fgrav with which an object of mass m was attracted to the earth. Fgrav=m×g  

Q: An elevator is moving upward at a constant speed of 4 m/s. A man standing 10 m above the top of the ...

A: Constant speed of elevator (v) = 4 ms , upwards height of man above the top of elevator (h) = 10 m I...

Q: Europa completes one (circular) orbit of Jupiter in 3.55 days. The distance from Jupiter to Europa i...

A: Given Information:- Orbital period of Europa is  T=3.55 days   =3.55 day×24 h1 day×60 min1 h×60 s1 m...

Q: Part (c) Calculate the angle in degrees north of east of the net force exerted on the couch by Hanna...

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Q: 15.Sketch I-V graphs for the following cases and identify which graph corresponds to which type of m...

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Q: Two point charges are fixed on the x-axis. Imagine moving a positive charge from point P to the orig...

A: In this question we have to find the path which performs the most work. Please give positive feedbac...

Q: wo horizontal parallel plates are separated by a distance of 168mm creating an electric field of 29µ...

A: Given: The electric field is 29µN/C. The separation between plates is 168 mm. The initial speed of t...

Q: Part A A loudspeaker at the origin emits a 100 Hz tone on a day when the speed of sound is 340 m/s. ...

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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: 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: Draw the electric field around the "small" charged objects in the following configuration. a. Two p...

A: We have two system a. Two positively charged of equal magnitude b. Two negatively charged of equal m...

Q: Part A Two long, parallel wires are separated by 2.0 m. Each wire has a 30-A current, but the curren...

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Q: The fundamental frequency of a standing wave on a string is 175 Hz. Find the first two overtones.

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Q: Computation. How many ml of water is needed for 80 g of cold cream preparation? 1000 g of cold cream...

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Q: Problem 7: A crate of mass m is initially at rest at the highest point of an inclined plane, which h...

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Q: A string 1.0 m long breaks when its tension is 100 N. What is the greatest speed at which it can be ...

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Q: JC-26) The Compton Effect Gamma rays emitted by radioactive decay also exhibit measurable Compton sc...

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Q: 1.10 The pressure rise Ap associated with wind hitting a win- dow of a building can be estimated usi...

A: In this question we have to calculate the pressure rise. Please give positive feedback if the answer...

Q: Three capacitors, C1=12.0 μF, C2=5.30 μF and C3=4.50 μF are connected in combination as shown in fig...

A: C1 = 12 μF C2 = 5.30 μF C3 = 4.50 μF V = 12.5 volts   

Q: he smallest current passes through which resistor(s)? A) the 10-ohm resistor b) the 20-ohm resisto...

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Q: 1. Find the magnitude and direction of the sum (resultant) of the two vectors à and B -hown in the f...

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Q: proton and an alpha particle (charge = 2e, mass = 6.64 ✕ 10−27 kg) are initially at rest, separated ...

A: according to conservation of momentum If no external force acting on the system its momentum remains...

Q: A 500N girl is in a tire swing that is attached to a rope 3m long and loops-the-loop. Determine the ...

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Q: oblem 5: Suppose the ski patrol lowers a rescue sled carrying an injured skiier, with ombined mass o...

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Q: A ball rolling down a ramp accelerates steadily from 1.5 rad/s to 5.5 rad/s at an angular accelerati...

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Q: 3. An object weighing 300 N in air is immersed in water after being tied to a string connected to 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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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!