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On vacation, your 1400-kg car pulls a 580-kg trailer away from a stoplight with an acceleration of 1.80m/s². What is the net force exerted by the car on the trailer?

Adedotun asked Oct 2, 2024

by Adedotun

8.7k points

1 answer

0 votes

95.1k views

A uniform magnetic field in the z direction is applied to a sample. What is the effect of the magnetic field on the sample? 1) The sample will experience a force in the z direction. 2) The sample will

Subhranil asked Oct 2, 2024

by Subhranil

8.5k points

1 answer

3 votes

115k views

Suppose Pacific Gas and Electric Company decided to use high-cost solar cells that used expensive materials. How might this decision impact the company's overall financial performance? a) Increase profitability

Vianna asked Oct 2, 2024

by Vianna

7.6k points

1 answer

3 votes

103k views

How does mass affect the speed of a balloon car? A. The force that pushes your car forward is equal to the mass of the car multiplied by the acceleration of the car. Therefore, when you decrease the mass,

Piotr Borek asked Oct 2, 2024

by Piotr Borek

7.7k points

1 answer

4 votes

150k views

Two forces of 25 newtons and 85 newtons acting on a body form an angle of 55˚. Find the magnitude of the resultant force, to the nearest hundredth of a newton. a. 88.26 N b. 101.50 N c. 92.92 N d. 79.64

Juhlila asked Oct 2, 2024

by Juhlila

8.5k points

1 answer

4 votes

29.7k views

Why is it necessary to keep the volumes of the chemicals constant in the preparation of Ester experiment

Dakusan asked Oct 2, 2024

by Dakusan

8.0k points

1 answer

4 votes

184k views

what size telescope do we need to resolve the image of the exoplanet earth (assume that you observe at a wavelength of 500 nm)

Keyofnight asked Oct 2, 2024

by Keyofnight

8.7k points

1 answer

5 votes

161k views

A body vibrating in simple harmonic motion at a frequency f, has a velocity v, at a distance z, from iots mean position. derive an expression for its a mplitude

FrediWeber asked Oct 2, 2024

by FrediWeber

8.2k points

1 answer

2 votes

166k views

A student knows that an ambulance siren has a frequency of fs = 395 hz. he measures, when the ambulance is approaching him, the frequency fo = 418 hz. assume the speed of sound is 343 m/s in this problem.

Ioannis Barakos asked Oct 2, 2024

by Ioannis Barakos

8.2k points

1 answer

1 vote

81.8k views

What Subs do we NOT have a Deli Version of?

Vijayender asked Oct 2, 2024

by Vijayender

8.0k points

1 answer

4 votes

8.2k views

The fastest helicopter, the Westland Lynx, has a top speed of 4.00 X 102 km/h or 111.1 m/s. If its kinetic energy at this speed is 2.0 X 107 J, what is the helicopter’s mass

Lakremon asked Oct 2, 2024

by Lakremon

8.7k points

1 answer

4 votes

106k views

Determine the allowable ampacity of 13 - #12 THHN conductors in a raceway, when passing through an area where the ambient temperature is 40˚ C?

Alexwhan asked Oct 2, 2024

by Alexwhan

8.5k points

1 answer

2 votes

85.1k views

Joan wishes to know her running economy, you conduct a treadmill graded exercise test at 10 km/h and collect a Douglas bag once steady state has been reached. Calculate Joan’s running economy given: Using

Robert Hickman asked Oct 2, 2024

by Robert Hickman

7.7k points

1 answer

4 votes

192k views

Construct Your Own Problem: Two people push a toboggan with children uphill on a snow-covered slope. Create a problem calculating the acceleration of the toboggan and its load. Include a free-body diagram

Mohasin Ali asked Oct 2, 2024

by Mohasin Ali

8.1k points

1 answer

1 vote

216k views

When a system is operating, the ________ changes a low-pressure vapor to a high-pressure vapor. a) Compressor b) Condenser c) Evaporator d) Expansion valve

Lante Dellarovere asked Oct 2, 2024

by Lante Dellarovere

7.7k points

1 answer

5 votes

79.9k views

Dr. Gregorio Zara invented an airplane whose egine uses alcohol as fuel, which of the following attitudes does his Filipino scientist have? a.Creativity b.Honesty c.hard work d.perseverance

Paul Parker asked Oct 2, 2024

by Paul Parker

7.2k points

1 answer

1 vote

227k views

Renee plans to take a trip from Oklahoma City to Dallas. The car in which she is riding travels at a speed of 82 miles per hour. If the distance between the two cities is 205 miles, how long will it take

Wmitchell asked Oct 2, 2024

by Wmitchell

7.6k points

1 answer

3 votes

221k views

The two highest-pitch strings on a violin are tuned to 400 Hz (the A string) and 639 Hz (the E string). What is the ratio of the mass of the A string to that of the E string?

Andrsnn asked Oct 2, 2024

by Andrsnn

7.7k points

1 answer

1 vote

135k views

A block of mass m is not touching a surface. You pull up on the block with a tension T which is bigger than the weight of the block. Which way is the blow moving? A. Doen B. Up C. the block can not move

Sagar Koshti asked Oct 2, 2024

by Sagar Koshti

8.4k points

1 answer

2 votes

27.2k views

Why should a person warm up before exercising? To gradually increase blood flow to the body To spend extra time thinking about exercise To keep from getting too tired after the activity To help increase

Obayhan asked Oct 2, 2024

by Obayhan

7.8k points

2 answers

1 vote

6.6k views

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