Start your trial now! First week only $4.99!*arrow_forward*

Question

An object slides along Earth’s surface and slows down because of friction. If both the object and the Earth are considered to be part of a system, can the frictional force change the total momentum of the two-body system? Explain your answer.

Tagged in

Science

Physics

Find answers to questions asked by students like you.

Q: A helicopter lifts a 100kg crate straight up via cable, with an acceleration of 0.8m/s2. If the crat...

A: Given: The mass of the crate is m=100 kg, The acceleration is a=0.8 m/s2, The total lifted distance...

Q: 2. Jack and Jill are both helping to fetch a pail of vater in a bill that is 16 meters high. Each of...

A: Click to see the answer

Q: Fill in the boxes

A: Given data: Final speed of electron is, v2=v14.

Q: 3ab and explain how you got the answer please

A: Click to see the answer

Q: An AC appliance cord has its hot and neutral wires separated by 3.00 mm and carries a 5.00-A current...

A: “Since you have posted a question with multiple sub-parts, we will solve first three subpartsfor you...

Q: How long does it take for a ball dropped off of a building of height 7.7 m to hit the ground if the ...

A: When a ball is dropped at the rest from the top of the building than it moves under the constant gra...

Q: A car of mass 1,323 kg accelerates from rest to 21.8 m/s in 5.31 s. How much force was required to d...

A: From Newton's 2nd law of motion, we know that, if an object has mass m and acceleration a then the f...

Q: A moonshiner makes the error of filling a glass jar to the brim and capping it tightly. The moonshin...

A: Expression for Bulk modulus k=V∆P∆V Rearrange in terms of ∆P ∆P=B∆VV=1.8×109 Nm25×10-3=9×106 Nm2m102...

Q: A bag of rocks has a mass of 6.5 kg. What is its weight here on the Earth?

A: Given : Mass of a bag of rocks (m) = 6.5 kg

Q: a mass is tied to a spring and begins vibrating periodically . the distance between its highest and ...

A: Given data: Distance between the highest and lowest position is, d=38 cm.

Q: A spaceship is moving away from Earth at 0.812c when it fires a small rocket in the forward directio...

A: Given data: Speed of space ship with respect to earth, vSE=0.812c Speed of rocket with respect to th...

Q: QUESTION 2 What are the characteristics of the image formed by a concave mirror, when an object is p...

A: When the object is placed at the center of curvature of a concave mirror, the size of the image form...

Q: A 48.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diamete...

A: Click to see the answer

Q: A precision laboratory resistor is made of a coil of wire 1.50 cm in diameter and 4.00 cm long, and ...

A: (a) The self-inductance of the coil is given by, L=μ0N2Al Here, μ0 is the absolute permeability, N i...

Q: #2 and how u got the answer pls

A: Net Heat transferred is zero Qgained=QlostmiCiceTm-Ti+miLf+miCwTeq-Tm=msLv+mscwTs-Teqms=miCiceTm-Ti+...

Q: The proper length of one spaceship is three times that of another. The two spaceships are traveling ...

A: Consider The proper length of slower spaceship is "L" The proper length of faster spaceship "3L"The ...

Q: Electron guns are used in X-ray tubes. The electrons are accelerated through a relatively large volt...

A: Charge is given by, Q=ne Current is given by, I=Qt =net Given : Current I=0.500 mA =0.500×10-3 A

Q: A young girl had been eating too much chocolate. How much work must she do to offset the 300 calorie...

A: Law of conservation of energy: According to this law " the energy cannot be created or destroyed it ...

Q: Your RL circuit has a characteristic time constant of 20.0 ns, and a resistance of 5.00 MΩ. (a) Wha...

A: a) Characteristic time constant, τ=LR20×10-9=L5×106L=0.1H

Q: (a) A large rotating flywheel uniformly increases in angular speed from rest to 0.210 rev/s in 26.0 ...

A: a. in rotational mechanics, equation of motion for the given case can be expressed as ω=ω0+αt

Q: An electron has a momentum with magnitude four times the magnitude of its classical momentum. (a) Fi...

A: Given:- An electron has a momentum with magnitude four times the magnitude of its cl...

Q: A series circuit contains a 20 ohm resistor and a capacitor with a capacitance of 110 5 uf if it has...

A: Impedence =R2+ X2where X represent the capacitive reactence.X=1ωC ( the value of capacitance best ...

Q: Jack and Jill are both helping to fetch a pail of water in a hill that is 16 meters high. Each of th...

A: Given: mass of water m = 5 liter = 5kg distance travelled d = 16m time taken by Jack t1=1.5hrs time...

Q: Consider a parallel plate capacitor with metal plates, each of square shape of 1.00 m on a side, sep...

A: Area of the plates= A= 1 m2 Separation between the plates = d= 1 mm =10-3 m Therefore Capacitance w...

Q: An automobile with 0.230 m radius tires travels 65,000 km before wearing them out. How many revoluti...

A: We know, ∆θ=∆s∆r Where, ∆θ = Rotational angle ∆s = Distance covered ∆r = Radius Give...

Q: Calculate the normal reflectance of a single half-wave thick layer deposited on a substrate relative...

A: Click to see the answer

Q: A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is ...

A: (i) When a bar magnet is pushed into the coil, current is induced in the coil momentarily as a resul...

Q: A bicycle tire is spinning clockwise at 2.00 rad/s. During a time period Δt = 1.70 s, the tire is st...

A: Given: A bicycle tire is spinning clockwise initially at ωi=-2.00 rad/s (negative sign for spinning...

Q: A person with body resistance between his hands of 10.0 k Ω accidentally grasps the terminals of a 2...

A: a. the circuit diagram to represent the situation is shown below.

Q: Two particles, each of mass m and speed v, travel in opposite directions along parallel lines separa...

A: Solution:

Q: Why is it best to wear red t-shirt if you are to meet someone in a crowd?

A: When light rays get deviated from its straight path on striking an obstacle like dust or gas molecul...

Q: A bicycle takes 8.0 seconds to accelerate at a constant rate from rest to a speed of 4.0 m/s. If the...

A: Click to see the answer

Q: The motion of a jet plane just after landing on a runway is described by the a-t graph. Determine th...

A: Click to see the answer

Q: During a test crash, an air bag inflates to stop a dummy’s forward motion. The dummy’s mass is 75 kg...

A: Write the equation for the force according to Newton's second law. F = ma Here, The net force is "F"...

Q: If the Sun suddenly turned off, we would not know it until its light stopped coming. How long would ...

A: Distance between sun and earth (d)=1.5×1011 m Speed of light (c)=3×108 m/s

Q: a) Use voltage division to determine the voltage v, across the 40 N resistor in the circuit shown. 3...

A: To determine: Voltage v0 Current through 40 Ω and 30 Ω resistor. Power absorbed by 50 Ω resistor.

Q: A bowling ball has a mass of 6 kilograms. A tennis ball has a mass of 0.06 kilogram. How much inerti...

A: InertiabowlItennis=mbowlmtennis

Q: What speed must a particle attain before its kinetic energy is double the value predicted by the non...

A: Kinetic energy of relativistic particle can be expressed as KER=E-E0=γE0-E0=γ-1E0=γ-1mc2

Q: 5. A military aircraft that has a mass of 1.21 x 10' kg accelerates at 316 m/s for 15 seconds from a...

A: mass = 1210 Kg initial speed = 2784 m/sacceleration = 316/15 m/s2a = 21.066 m/s2

Q: An astronaut with a mass of 84kg is at rest in space, before firing her water pack to move towards t...

A: Given data The mass of the astronaut is ma = 84 kg. The initial velocity of water and astronaut is ...