kj

This page lists questions and answers that were posted by visitors named kj.

Questions

The following questions were asked by visitors named kj.

The diameters of Earth and the Sun are approximately 1.3 107 m and 1.4 109 m respectively, and the average Sun-Earth distance is 1.5 1011 m. Consider a scale model of the solar system, where Earth is represented by a peppercorn 2.3 mm in diameter. Calcula...

A vector has components Ax = 44 m and Ay = 30 m. Find the length of the vector vector A and the angle it makes with the x axis. in meters and in degrees

In SI units, acceleration is measured in units of meters per second squared (m/s2). Which of the following combinations of units can also be used to measure acceleration? km/s2 cm/s miles per hour m3/(mm2 · s2) cm/s2 miles/(minutes)2

A jogger maintains a speed of 2.5 m/s for 188 m until he encounters a stoplight, and he abruptly stops and waits 27 s for the light to change. He then resumes his exercise and maintains a speed of 3.6 m/s for the remaining 51 m to his home. (a) What was h...

The figure below shows the acceleration as a function of time for an object. (a) If the object starts from rest at t = 0, what is the velocity of the object as a function of time? for 0s < t < 10s v(t) = m/s for 10s < t < 26s v(t) = m/s (b) If the object...

In SI units, force is measured in newtons, with 1 N = 1 kg · m/s2. Which of the following combinations of units can also be used to measure force? 1 kg · m4/(s2 · cm3) g · cm2/s kg · miles/(minutes)2 g · cm/s2 g · m/s

A rock is dropped from a very tall tower. If it takes 4.1 s for the rock to reach the ground, what is the height of the tower?

You are a secret agent and find that you have been pushed out of an airplane without a parachute. Fortunately, you are wearing a large overcoat (as secret agents often do). Thinking quickly, you are able to spread out and hold the overcoat so that you inc...

A cable attached to a block of mass 11 kg pulls the block along a horizontal floor at a constant velocity. If the tension in the cable is 5.3 N, what is the coefficient of kinetic friction between the block and the floor?

Calculate the terminal velocity for a baseball. A baseball's diameter is approximately d = 0.073 m, and its mass is m = 0.146 kg. Express your answer in meters per second and miles per hour. (Assume a drag coefficient of 1 and air density of 1.3 kg/m3.) _...

Two ropes are attached to a skater as sketched in the figure below and exert forces on her as shown. Find the magnitude and direction of the total force exerted by the ropes on the skater if θ1 = 32.0° and θ2 = 53.0°. what is the magnitude and direction (...

The three forces shown in the figure below act on a particle (with F1 = 48.0 N, F2 = 58.0 N, θ1 = 63.0°, and θ2 = 27.0°). If the particle is in translational equilibrium, find F3, the magnitude of force 3 and the angle θ3. F3 = 1 N θ3 = 2° (counterclockwi...

A flag of mass 2.2 kg is supported by a single rope as shown in the figure below. A strong horizontal wind exerts a force of 10 N on the flag. Find the tension in the rope and the angle θ the rope makes with the horizontal. Tension = N θ = °

Two crates are connected by a massless rope that passes over a pulley as shown in the figure below. If the crates have mass 32 kg and 80 kg, find their acceleration. If the system begins at rest, with the more massive crate a distance 11 m above the floor...

can someone show me how step by step to convert this problem 45 mi/h=ft/s using dimensional analysis?Thanks.kj

Victoria you helped me with the last problem can you help me again with this one please? 26cm/s=m/min. Convert this using the dimensional analysis.Thank-you.kj

Can anyone show me step by step how to solve this problem? 26cm/s = m/min convert this problem using dimensional analysis.kj

Can someone show me how to solve this problem step by step?Here is the problem, 26cm/s= m/min,how to solve it by convert rate suing dimensional analysis.

Can anyone show me step by step how to solve this problem? 26cm/s = m/min convert this problem using dimensional analysis.What is the answer and how did you get it?Thanks,kj

One afternoon, a couple walks five-eighths of the way around a circular lake, the radius of which is 1.45 km. They start at the west side of the lake and head due south to begin with. (a) What is the distance they travel?

Peter is playing a game where a ten-sided die is rolled. Four sides of the die have the number 10, three sides of the die have the number 5, two sides of the die have the number 25, and one side of the die has the number 27. What is the expected value of...

Suppose you earned $50,000 last year, and inflation is at 5%. You receive a salary increase of $2,000. Explain your increase salary in nominal and real terms. Did you receive an increase?

(w+9)^3+56=0 write were w i a real number write answer in simplified radical form write b^2/3 as a radical expression

predict the product of the following: a.) Ca + H + OH => b.) Pb(NO3)2 + Cu =>

how long will it take to make $9944. dollars at 1.25 interest when i already have $7500. I have to make line graph of each year.

The scale for a map says that 1 cm is equal to 25 miles. Jennifer measures the distance between two cities as 4.5 cm. How far apart are the cities?

A display case of toy rings are marked 5 for $1. If Zach wants to buy 50 toy rings, how much will Zach spend (not including tax)?

I really don't understand please help with answers and explanations. Follow the instructions for the following inequalities. 1. 4<7 Multiply both sides by 7 , then by 6, then by 3, then by 10 2. 11>-2 Add 5 to both sides, then add 3, then add (-4) 3. -4<-...

a student answered 86 problems on a test correctly and recieved a grade 98%.How many problems were on the test, if all the problems were worth the same number of points? (Round to the Nearest whole number.)

if a sweater is 34.15 and the markdown on the sweater is 45 percent what was the original cost of the sweater

23. You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is -0.833. Can you be confident that your predicted value will be reasonably close to the actual value? why or why...

Sammy uses 6.3 pints of white paint and blue paint to paint her bedroom walls. 3 5 of this amount is white paint, and the rest is blue paint. How many pints of blue paint did she use to paint her bedroom walls?

A tag on a pair of pants in a local store says "30% off the Original Price." Which number could be multiplied by the original price to find the final cost of the pants?

Answers

The following answers were posted by visitors named kj.

a) d=m/v d= (1.13*10^-3)/1 d= 1.13e-3 g/cm^3

Hello i don't know i was trying to look for that to

unconditioned stimuli is men attracted to women

Select the rebuttal statement that BEST refutes the viewpoint in section one. A) It is necessary to oversee the athletes involved in mixed martial arts. B) It is unnecessary to oversee the athletes involved in mixed martial arts. C) It is necessary for at...

thank you so much

I want to know the answer

You save money in a shoebox under your bed. At first, you had $16.25 in the box. Each week you put your $3 in the shoebox. You spend $4.25 on ice cream each week. In how many weeks will your money run out?

What about 2 and 3 how will I go about answering those?

17 20 what did yall put

thank you so much i have a test coming up and im trying to make a study gide

mrs sue the best

PsyDAG is you cant answer the question then dont say anything at all!

Thanks none ya they were right

The answer is d

For people who are trying to get away with castle learning, the answer is increasing. F*T/m = change in momentum < denominator increases, lesser value as a result.