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Calculate the velocity and acceleration at the 5th second.

Farshid Roohi asked Dec 24, 2024

by Farshid Roohi

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What is "small scale" in mapping? a) Circles drawn around the globe parallel to the equator. b) Mapping at a scale smaller than about 1:1,000,000. c) The physical environment setting limits on human actions.

Thomas Glaser asked Dec 24, 2024

by Thomas Glaser

7.2k points

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5 votes

27.2k views

The kinetic energy of a proton is equal to (1/2) of its rest energy. What is the momenturn of the proton (expressed in MeV/c)? A.0976.3 B.1049 C.813 D.1251 E.368.5

Shanthakumar asked Dec 24, 2024

by Shanthakumar

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1 vote

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A ball is thrown from a rooftop with an initial velocity of 5 m/s. What is being asked in the questions? a) Velocity within 3 seconds and displacement between the 3rd and 4th second b) Time of flight and

SergGr asked Dec 24, 2024

by SergGr

7.7k points

1 answer

1 vote

39.2k views

A circular wire loop of radius r=0.15 m and resistance R=8.2Ω rotates about a shaft through its diameter at a constant rate of f=5.45 Hz in a uniform B=0.39 - T magnetic field directed perpendicular to

MKroeders asked Dec 24, 2024

by MKroeders

9.0k points

1 answer

2 votes

204k views

A solid cylinder of mass 2.0 kg and radius 20 cm is rotating counterclockwise around a vertical axis through its center at 600 rev/min. A second solid cylinder of the same mass and radius is rotating clockwise

Vikas Rathore asked Dec 24, 2024

by Vikas Rathore

8.0k points

1 answer

4 votes

174k views

Mostly filter rates are given in percent, but if I imagine that for example 10 photons hit an absorption filter with 50%, molecules are excited there and in the end only 5 get through while the other 5

Duannx asked Dec 24, 2024

by Duannx

8.0k points

1 answer

2 votes

27.2k views

When astronauts are outside of a spacecraft on a spacewalk, why do they use headphones and microphones to communicate with each other?

John Simons asked Dec 24, 2024

by John Simons

8.6k points

1 answer

1 vote

134k views

At what rate will a pendulum clock run on Mars, where the acceleration due to gravity is 3.73 m/s², if it keeps time accurately on Earth? That is, find the time (in hours) it takes the clock\'s minute

Andrew Gilmartin asked Dec 24, 2024

by Andrew Gilmartin

8.1k points

1 answer

3 votes

151k views

a wood beam with simple supports at and and an overhang has height . the length of the main span of the beam is and the length of the overhang is . the beam supports a concentrated load at the midpoint

Jack Bolding asked Dec 24, 2024

by Jack Bolding

7.8k points

1 answer

4 votes

182k views

A researcher determines that the crime rate in a city changes with the win-loss record of the city's professional football team. He concludes that the performance of the team influences the city inhabitants'

Foo Ling asked Dec 24, 2024

by Foo Ling

7.9k points

1 answer

5 votes

11.1k views

The electric force is much stronger than the gravitational force, and yet the gravitational force is the dominant force that we notice in our everyday interactions and at planetary or larger scales. Why?

Jvrmed asked Dec 24, 2024

by Jvrmed

9.2k points

1 answer

0 votes

112k views

A 2.985 g sample of a new organic material is combusted in a bomb calorimeter. the temperature of the calorimeter and its contents increase from 25.27 c to 31.24°c. the heat capacity (calorimeter constant)

Harrycmfan asked Dec 24, 2024

by Harrycmfan

8.0k points

1 answer

5 votes

58.0k views

Tyrone analyzes the emission spectrum of an unknown element. He observes two discrete lines at 600 nm and 650 nm, and he sees many lines corresponding to shorter wavelengths, with the strongest line being

Kaligule asked Dec 24, 2024

by Kaligule

8.9k points

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0 votes

228k views

How do vortex generators delay the formation of shockwaves? Sweepback? When does mach buffet happen?

Aeolus asked Dec 24, 2024

by Aeolus

8.4k points

1 answer

2 votes

141k views

A resultant force of 10. newtons is made up of two component forces acting at right angles to each other. If the magnitude of one of the components is 6.0 newtons, the magnitude of the other component

Alexey Kiselev asked Dec 24, 2024

by Alexey Kiselev

8.3k points

1 answer

2 votes

149k views

Determine which differential equation corresponds to each phase line. You should be able to state briefly how you know your choices are correct.

Jinglesthula asked Dec 24, 2024

by Jinglesthula

8.7k points

1 answer

0 votes

466 views

What was the average speed of the toy car during the two trials to the nearest tenth of a m/s? A golf ball is hit a distance of 300 yards in 10 sec. What is the speed of the golf ball? Mr. Smith is traveling

Zibbobz asked Dec 24, 2024

by Zibbobz

8.0k points

1 answer

4 votes

169k views

When measuring the Q-T interval, first select a lead with the most clearly defined T wave end. To ensure meaningful comparisons of later tracings, use the same lead for subsequent measurements. In the

Gsinha asked Dec 24, 2024

by Gsinha

7.8k points

1 answer

1 vote

134k views

Two small Styrofoam balls that are separated (between their centers) by 4 cm experience a force of attraction of 15 N. If the balls are separated by 8 cm, the force between them would be ___ N.

Mortb asked Dec 24, 2024

by Mortb

8.5k points

1 answer

1 vote

104k views

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