Question
Asked Sep 4, 2019
11 views

It takes light 1.3 second to travel from here to the moon. Assuming the speed of light is 186,000 miles/s how far away is the moon from us. (Express answer in units of miles and kilo-meter)

check_circle

Expert Answer

Step 1

Velocity is,

help_outline

Image Transcriptionclose

t

fullscreen
Step 2

Substituting the values,

help_outline

Image Transcriptionclose

d 186,000miles/s 13s d-(186,000miles/s)(1.3s) 241,800 miles

fullscreen
Step 3

One mile is 1.609 kilometers. Conve...

help_outline

Image Transcriptionclose

241,800miles1609 km| -389,056km Imile

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Physics

Related Physics Q&A

Find answers to questions asked by student like you
question_answer

Q: Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. The scale reads 830 N for the...

A: Apply newton’s second law of motion along the motion of the lift, and substitute 95kg, for m, 9.8m/s...

question_answer

Q: When solving for something in an equation, for example if I was solving for "a" in this equation: x=...

A: The given kinematic equation itself is wrong. The correct kinematic equation for x is

question_answer

Q: How much work does a supermarket checkout attendant do on a can of soup he pushes 0.830 m horizontal...

A: Given,

question_answer

Q: You have negotiated with the Omicronians for a base on the planet Omicron Persei 7. The architects w...

A: The given value for acceleration by omicronian unit is equal to

question_answer

Q: A cylindrical tank at SeaWorld is full of seawater. The tank is 20m in diameter and 5m in height. a)...

A: Weight density is the weight per unit volume of a substance or object.

question_answer

Q: (a) A car speedometer has a 7% uncertainty. What is the range of possible speeds when it reads 120 k...

A: Given,

question_answer

Q: A capacitor consisting of two parallel plates separated by 2.0 cm has a potential of 50 V on the top...

A: Electric field is defined as the  change in potential with respect to distance. write the expression...

question_answer

Q: Steam engines have boilers operating at 500K. The energy from a burning fuel converts water into ste...

A: Click to see the answer

question_answer

Q: A certain car is capable of accerlerating at a rate of 0.57 m/s^2. How long does it take for this ca...

A: Write the kinematic relation between initial and final and velocity for an object under constant acc...

question_answer

Q: A motorist travels 160 km at 80 km/h and 160 km at 100 km/h. What is the average speed of the mortor...

A: Given information: The distance covered with speed 80 km/h is 160 km and the distance covered with s...

question_answer

Q: if a charge of -3 x 10^-6 C were allowed to fall through a potential difference of +400V, the change...

A: Change in potential energy is,

question_answer

Q: A thin rod consists of two parts joined together. Two-fifths of it is silver and three-fifths is gol...

A: The fractional decrease in length of the rod=∆LThe initial length of the silver rod=L0,silverThe ini...

question_answer

Q: How long does it take electrons to get from a car battery to the starting motor? Assume the current ...

A: Time taken by electrons is,

question_answer

Q: A toroid having a square cross section, 5.73 cm on a side, and an inner radius of 21.3 cm has 400 tu...

A: Given:

question_answer

Q: one way to tell if a mosquito is about to sting is to listen for the doppler shift as the mosquito i...

A: The frequency of the source=1050Hz.The frequency heard by the listener =1034Hz. (a)Since the frequen...

question_answer

Q: two-point charges q1and q2 are held in place 4.50cm apart. Another point charge -1.95 μC of mass 4.0...

A: Given that the acceleration is in the upward direction so the charge q1 is negative and q2 is positi...

question_answer

Q: In the hydraulic press used in a trash compactor, the radii of the input piston and the output plung...

A: Given,

question_answer

Q: A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional forc...

A: Using the law of conservation of energy,

question_answer

Q: A resistor R22=7.0 Ω is mounted in parallel with a resistor R33=14.0 Ω, and this combination is conn...

A: Write the expression for equivalent resistance due to parallel resistors

question_answer

Q: The figure shows light reflecting from two perpendicular reflecting surfaces A and B. Find the angle...

A: GivenThe incident ray I makes an angle θ with the normal

question_answer

Q: Please help

A: Given,

question_answer

Q: Review | Constants | Periodic Table Rule for dividing numbers in scientific notation When dividing t...

A: Click to see the answer

question_answer

Q: The steel I-beam in the drawing has a weight of 2.55 × 103 N and is being lifted at a constant veloc...

A: The free body diagram is,

question_answer

Q: A cheetah can accelerate from rest to a speed of 26.0 m/s in 4.25 s. What is its acceleration?

A: Given:Initial velocity of cheetah, u = 0 m/sFinal velocity of cheetah, v = 26.0 m/sTime taken, t = 4...

question_answer

Q: An arrow is shot horizontally from a height of 4.9 m above the ground. The inital speed of the arrow...

A: To determine: The time taken by the arrow to reach the ground.Given information: The height from whi...

question_answer

Q: physics test 1

A: Given:Velocity of Boat with respect to river, vBR = 6.1 m/sVelocity of river with respect to ground,...

question_answer

Q: In the figure below, what is the net resistance of the circuit connected to the battery? Each resist...

A: Its given that:

question_answer

Q: An electron moves through a uniform magnetic field given by B vector= Bx i+(4.26 Bx)j. At a particul...

A: GivenThe magnetic field B = Bx i + (4.26 Bx) jThe velocity of the electron v = (2.12 i + 4.91 j) m/s...

question_answer

Q: In the figure, a particle moves along a circle in a region of uniform magnetic field of magnitude B ...

A: Magnetic force given is positive. Velocity vector is along – y direction and magnetic field is along...

question_answer

Q: a boy jumps with a velocity of magnitude 20.0 m/s at an angle of 25.0 degrees above the horizontal. ...

A: Given information: The magnitude of the velocity with which the boy jumps is 20.0 m/s and the angle ...

question_answer

Q: The figure shows a section of a long, thin-walled metal tube of radius R = 4.52 cm, with a charge pe...

A: Given:

question_answer

Q: The figure shows a Gaussian surface in the shape of a cube with edge length 1.60 m. What are (a) the...

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any ...

question_answer

Q: An AU Astronomical Unit} is the distance from the sun to what?

A: An astronomical unit is the distance from the Sun to Earth.Hence the average distance between sun an...

question_answer

Q: a bridge across a small stream is made by supporting a 10m long log with a mass of 75kg with ropes t...

A: Consider the figure, it shows free body diagram of the log.

question_answer

Q: 3-74 A 6-m-high, 5-m-wide rectangular plate blocks ihe end of a 5-m-deep freshwater channel, as show...

A: The forces acting on the ridge can be calculated using given steps:

question_answer

Q: A 2 meter tall stick is standing up, balanced on it's end. The stick then loses its balance, and sta...

A: Click to see the answer

question_answer

Q: In a car lift, compressed air with a gauge pressure of 4.0 x 105 Pa is used to raise a piston with a...

A: Pressure is defined as the force per unit area.Write the expression for pressure.

question_answer

Q: It seems that as stars expand and collapse, certain elements like are formed. I am wondering if this...

A: Most of the elements in the universe originated in the high-pressure core of stars or during violent...

question_answer

Q: In the figure, two long straight wires are perpendicular to the page and separated by distance d1 = ...

A: Let us say that, the magnetic field due to wire 1 at point P is B1 and that due to wire 2 is B2. The...

question_answer

Q: The figure shows the acceleration-versus-time graph of a particle moving along the x-axis. Its initi...

A: The area under acceleration time graph gives velocity. Let v0 be the initial velocity, v be the fina...

question_answer

Q: A 15080 kg car is traveling with a pseed of 15.0 m/s. What is the magnitude of the horizontal net fo...

A: Given mass of the car M = 15080 kgInitial Speed of the car v = 15 m/sQuestion is to find the net hor...

question_answer

Q: A ball is thrown vertically upward with a speed of 12.0 m/s.(b) How long does it take to reach its h...

A: Click to see the answer

question_answer

Q: In the figure particle 1 of charge q1 = 0.98 μC and particle 2 of charge q2 = -3.01 μC, are held at ...

A: Consider the figure, F1 and F2 denotes the force due to point 1 and 2 respectively at the location o...

question_answer

Q: You and your friend Peter are putting new shingles on a roof pitched at 25 ∘ . You're sitting on the...

A: From conservation of energy, net work done on the box is equal to the change in kinetic energy of th...

question_answer

Q: The acceleration due to gravity near the surface of the mars is about one-third of the value near th...

A: To determine: The speed of the rock when it hits the ground on Mars.Given Information: The gravitati...

question_answer

Q: When we look at the stars in the night sky we see the stars as it what?

A: Answer:When we look at the stars in the night sky we are actually looking into past . For example br...

question_answer

Q: A person who weighs 800 N steps onto a scale that is on the floor of an elevator car. If the elevato...

A: Weight is,

question_answer

Q: Referring to the vectors in the figure, express the sum A⃗ +B⃗ +C⃗  in unit vector notation.(Figure ...

A: The x-component of the vector sum is given by

question_answer

Q: Two particles are fixed on an x axis. Particle 1 of charge 72.1 μC is located at x = -6.51 cm; parti...

A: (a)The charge accelerates in the positive x-direction and hence the net force must be along the same...

question_answer

Q: A single pane of glass in an old home measures 1.14 m by 0.6 m and is 0.01 m thick. During a cold wi...

A: Given thermal conductivity of the wall k =1.7 W/mK.Given length and breadth of the wall as 1.14 m an...