Question

Asked Oct 8, 2019

9 views

6. Assuming that the Moon is revolving around the center of the Earth (? = 3.84 × 108m) and its

orbital speed is 1022 m/s, estimate the value of “g” at that distance

Step 1

Write the expression for orbital velocity.

Step 2

Write the express...

Tagged in

Find answers to questions asked by student like you

Q: (b) An advertising blimp consists of a gas bag, the supporting structure for the gas bag, and the go...

A: The volume of the gas bag which is cylindrical in shape is given by,

Q: A 410 g , 7.0-cm-diameter can is filled with uniform, dense food. It rolls across the floor at 1.5 m...

A: The formula for the angular velocity in term of linear velocity is:

Q: The following figure shows a 4.0-cm-wide plastic film being wrapped onto a 2.0-cm-diameter roller th...

A: The perimeter of the roller is:

Q: A 0.510-mm-diameter silver wire carries a 30.0 mA current. What is the electric field in the wire?

A: Given values:Radius of silver wire, r = diameter/2 = 0.51/2 =0.255 mm =0.255 x 10-3m = 2.55 x 10-4 m...

Q: You walk into an elevator, step on a scale, and push the "up" button. You also recalll that your nor...

A: the free body diagram is given above,the N is the normal force, a is the acceleration of the elevato...

Q: A car moving with an initial speed v collides with a second stationary car that is 54.9 percent as m...

A: The total initial and final momentum of two cars are equal.

Q: Suppose you had two flat ruber bands (A and B) identical in every way but band A was 3x the width of...

A: The spring constant k of the rubber band is directly proportional to the width w of the band.

Q: A playground merry-go-round has radius 2.80 m and moment of inertia 2900 kg⋅m2 about a vertical axle...

A: Given:The radius of the merry-go-round is, R = 2.8 mThe moment of inertia of the merry-go-round is, ...

Q: An object in uniform circular motion is accelerating as you observed in this project. How can this b...

A: A circular motion is the motion of an object undergoing circular path about a common point. the circ...

Q: 7.4. Four measurements are made of the wavelength of light emitted by certain atom. The results, in ...

A: The weighted average of measurements is,

Q: Consider the constant force: F=(30, 40, -10)N. What is the work done by this force on a particle tha...

A: From the given equation of the force, the components of the force on the coordinate axis are,

Q: The resistance of a very fine aluminum wire with a 13 μm × 13 μm square cross section is 700 Ω . A 7...

A: Write the expression for the resistance of the wire.

Q: 25. An object of mass m, hangs from a string that passes over a very light fixed pulley P, as shown ...

A: Free body diagram of mass pulley system.

Q: A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes t...

A: Given:Time taken by the ball to reach its maximum height, t = 2.80 s

Q: What is the acceleration of the box?

A: The below figure represents the free body diagram of two masses m1 and m2 suspended over a pulley.

Q: Tree Swing An unusual pendulum is made by fixing a string to a horizontal 2. cylinder of radius R, w...

A: Figure of the unusual pendulum is shown below .

Q: For motion with constant, nonzero acceleration, the position-versus-time graph has the shape of ____...

A: Write the Newton’s equation of motion. Here, s is the distance, u is initial velocity, t is time and...

Q: Physics Question

A: Given values:Speed of speeding car, u = 30 m/sAcceleration of the police car, a = 7 m/s2Let the spee...

Q: A 560 g squirrel with a surface area of 930 cm2 falls from a 5.0 m tree to the ground. Calculate th...

A: The mass of the squirrel,The density of the medium,The acceleration due to gravity,

Q: The Pauli spin matrices in quantum mechanics are 0 A B C = -1 0 Show that A2 B2 C2 = 1. a) -BA b) Sh...

A: a)For matrix A

Q: In Chapter 1.6 in the discussion of the hydrometer, it is stated: “The higher the bulb floats, the g...

A: A hydrometer device is used to determine the characteristics of a liquid. Mainly hydrometer is used ...

Q: A boy throws a ball of mass 0.25 kg straight upwardwith an initial speed of 20 m/s When the ball ret...

A: Given Information :Initial velocity of the ball V1 = 20 m/sFinal Velocity of the ball V2 = 17 m/sMas...

Q: What would happen if you fire a gun that has bullet ten times as massive as the gun.

A: Given:Mass of the bullet is 10 times the mass of the gun

Q: 33. A farm QIC due east with a constant truck moves velocity of 9.50 m/s on a limitless, hori- zonta...

A: a)The angle with vertical made by the person will be zero because, the person must have to throw the...

Q: Rank in order, from largest to smallest, the angular accelerations αa to αd in (Figure 1).

A: Write the expression for torque.

Q: A stone is thrown horizontally from the top of a cliff. A quarter of a second after leaving your han...

A: Given:A Ball is thrown horizontally.

Q: 3) A commercial airplane accelerates on a runway in Newark International airport at a rate of 3.20 m...

A: The expression for the travelled distance,

Q: If you weigh 650 N on the earth, what would be your weight on the surface of a neutron star that has...

A: The weight of the person on the surface of the Earth is,Substitute the values, to find the mass of t...

Q: Suppose you balance a 1.6-kg ball on the tip of your finger, which has an area of 0.80 cm2 . Find th...

A: Let m be the mass of the ball, A be the area of the fingertip.Write the given values of question.

Q: PLEASE HELP

A: a)Displacement vector joins an object’s final position with its initial position and is directed alo...

Q: A 3.00 kg rock has a horizontal velocity of magnitude 12.0 m/s when it is at point P in the figure (...

A: Write the expression for magnitude of angular momentum.

Q: A model rocket is launched straight upward with an initial speed of 44.0 m/s. It accelerates with a ...

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

Q: A bicycler is moving at 8m/s when they reach the top of a 20m high hill. They coast 15m to the botto...

A: Given:Velocity of the biclcler at the top = 8 m/sVelocity of the bicylcler at 15 m downward from the...

Q: Problem: A person who is 1.3 m tall throws a ball with a speed of 19m/s at an angle of 17 degrees ab...

A: Given that the initial speed of the ball is v0=19m/s, and the ball is thrown at an angle of 17˚ abov...

Q: A car’s bumper is designed to withstand a 4.0-km/h (1.1-m/s) collision with an immovable object with...

A: The expression of the work done is:

Q: What is the equation when you isolate/solve for a in this equation. xf - xi=vi(tf -ti) + 1/2a(tf -ti...

A: The kinematic equation for the displacement is

Q: A tennis player moves in a straight-line path as shown in the figure below. Find her average velocit...

A: When an object moves from one point to the other point through any path, the average velocity is def...

Q: PLEASE HELP

A: Consider the vector resolution diagram for the vector A.

Q: We were given the diagram pictured and asked to solve for T1 and T2. I did the work pictured but was...

A: Click to see the answer

Q: On Jupiter, the acceleration due to gravity is 26.7 m/s^2. What is the weight of a box of potatoes o...

A: The expression for the weight of the object on Jupiter is,

Q: Light travels at a speed of about 3.0 108 m/s. How many miles does a pulse of light travel in a time...

A: Sub-Part (a)Given speed of light c = 3.0108m/sThe time interval t = 0.1sThe equation to calculate th...

Q: A bob of mass 2.00 kg is suspended from a spring whose spring constant is 150 N/m. This undamped sys...

A: Write the expression for angular velocity.

Q: A bobsled zips down a frictionless ice track starting at 150 m vertical distance up the hill. What i...

A: Given information:Initial velocity of the sled (u) = 0Total height of the mountain (H) = 150 mThe he...

Q: A plane accelerates from rest at a constant rate of 5.00 m/s2 along a runway that is 1800 m long. As...

A: Given,

Q: A box of mass 4.0 kp is accelerated from rest by a force across a floor at a rate of 2.0 m/s2 for 7....

A: Hai,we are assuming the mass of the box is 4.0kg.The equation for the work done is

Q: A 15 g marble moves to the right at 3.5 m/s and makes an elastic head-on collision with a 22 g marbl...

A: Let the marbles are m1, m2 and u1, u2 are initial velocity and v1, v2 are final velocity respectivel...

Q: A novice skier, starting from rest, slides down an icy frictionless 8.0o incline whose vertical heig...

A: Let v be the final velocity of the skier, u be the initial velocity of the skier, s be the length of...

Q: An acrobat with a mass of 41-kg jumps on a trampoline. What force does a trampoline have to appl...

A: Given:Mass of acrobat, m = 41 kgAcceleration of acrobat, a = 7.5 m/s2 Acceleration due to gravity, ...

Q: 4) Jose needs to put together a staircase going from the first floor of his store to the basement. H...

A: Given:Height of the staircase = 10 ftHorizontal length of the staircase = 15 ft

Q: 200 N **26. Two strings are pulling on a 50-kg block as shown. The block does not move. The coef fic...

A: Given