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50.0 N (fwd) is applied to a 10.0 kg crate as it slides forwards. The coefficient of friction is 0.400. a) Find the acceleration of the box.

Hampus asked Oct 14, 2024

by Hampus

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The transfer of heat from air conditioning or a spa is called: A. Convection B. Conduction C. Radiation

Owens asked Oct 14, 2024

by Owens

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1 answer

4 votes

86.7k views

1 Approximately what percentage of the atmosphere is made up of elements other than nitrogen and oxygen? A 50 percent B C D 10 percent 5 percent 1 percent

Rohit Kumar asked Oct 14, 2024

by Rohit Kumar

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1 vote

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If is the standard basis for r, then the -coordinate vector of an in r is itself?

Pynchia asked Oct 14, 2024

by Pynchia

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1 vote

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A rigid body has translation as well as rotational motion. If a couple is applied on the object then, which of following quantities remains unchanged ? A. Rotational K. E. B. Translation K.E. C. Total

RolfBly asked Oct 14, 2024

by RolfBly

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1 vote

2.9k views

At 10.30 a.m., Jack drove from Town X to Town Y at a speed of 70 km/h. At thesame time, Tom drove from Town Y to Town X at a speed of 90 km/h. Town Xand Town Y are 640 km apart.(a)At what time will they

Eric Skiff asked Oct 14, 2024

by Eric Skiff

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1 answer

4 votes

30.4k views

Two geological field teams are working in a remote area. A global positioning system (GPS) tracker at their base camp shows the location of the first team as 39 km away, 11° north of west, and the second

Gokhan Tank asked Oct 14, 2024

by Gokhan Tank

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1 answer

0 votes

153k views

the 5 moles of an ideal gas at 1 bar at 298 kelvin is expanded into vacuum to double the volume the work done is

Hasienda asked Oct 14, 2024

by Hasienda

8.1k points

1 answer

1 vote

92.3k views

Where is the ISCO for light located in relation to the ISCO for matter? a) Inside the ISCO for matter b) Outside the ISCO for matter c) They coincide d) It varies depending on the black hole's rotation

Till Kuhn asked Oct 14, 2024

by Till Kuhn

7.8k points

1 answer

5 votes

88.9k views

A girl pulls a 12.0 kg wagon along by exerting a force of 15.0 N on the wagons handle, which makes an angle of 20.0 degrees with the horizontal. Friction provides a force of 11.0 N in the opposite direction.

VbNewbie asked Oct 14, 2024

by VbNewbie

7.9k points

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4 votes

134k views

A 0.20 kg mass is hung from a vertical spring of force constant 55 N/m. When the spring is released from its unstretched equilibrium position, the mass is allowed to fall. Use the law of conservation of

ColdLogic asked Oct 14, 2024

by ColdLogic

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1 answer

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153k views

The two dimensions an electrician must know when making a 90° stub bend are the _____. A) Angle and resistance. B) Length and width. C) Diameter and circumference. D) Height and depth.

Manmohan Pal asked Oct 14, 2024

by Manmohan Pal

8.6k points

1 answer

2 votes

136k views

A jeweler is heating a good bar. It takes 7 joules of heat to raise the temperature of the bar 1 per degree Celsius. The initial temperature of the bar is 25 degrees Celsius. How many joules of heat will

Ridwan asked Oct 14, 2024

by Ridwan

8.0k points

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0 votes

63.5k views

toy car (Car A) with a mass of 0.515 kg moves with a velocity of 1.10 m/s. Car B has a mass of 0.450 kg and is at rest. Car A collides with Car B and the two cars stick together. What is the total momentum

James McPherson asked Oct 14, 2024

by James McPherson

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1 answer

3 votes

225k views

A drop of water of radius 0.0015 mm is falling in air. If the coefficient of viscosity of air is 2.0×10⁻⁵ kgm⁻¹s⁻¹, the terminal velocity of the drop will be: (The density of water = 103kgm⁻³ and g=10ms

Amirkhm asked Oct 14, 2024

by Amirkhm

8.3k points

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0 votes

84.7k views

Brenda is driving a car going 25 m/s suddenly sees the lights of an intersection 40.0 m ahead. It takes her 0.65 s before she applies the brakes. Once she does begin to brake, her acceleration is at a

Vikas Sharma asked Oct 14, 2024

by Vikas Sharma

8.5k points

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0 votes

4.4k views

(T/F) gravity is an attractive force that decreases as the mass of an object increases.

Anurag Sinha asked Oct 14, 2024

by Anurag Sinha

8.1k points

1 answer

3 votes

225k views

True or False: The science of nano-electronics indicates that there are limits to how far you can shrink the size of a transistor.

Brett Lempereur asked Oct 14, 2024

by Brett Lempereur

7.1k points

1 answer

0 votes

74.1k views

tim particpiated in a 42 km marathon. he ran part of it at an average speed of 10 km/h and walked the rest at an average speed of 6 km/h. he spent 1 hour more running than walking. how far did he walk?

Zsolt Boldizsar asked Oct 14, 2024

by Zsolt Boldizsar

8.5k points

1 answer

1 vote

29.6k views

A 10.1 kg ball is dropped from the top of a skyscraper. What is the force of air resistance (drag) required to cause the ball to fall at its terminal velocity? a) 10.1 N b) 0 N c) Varies with altitude

Cosmicsafari asked Oct 14, 2024

by Cosmicsafari

8.2k points

1 answer

1 vote

86.1k views

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