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Which forces belong on a free-body diagram of a car? 1) Gravity 2) Friction 3) Normal force 4) Applied force

Andrew Fleenor asked Oct 18, 2024

by Andrew Fleenor

8.9k points

1 answer

3 votes

118k views

An alpha particle travels toward the top of the page. There is a magnetic field B directed out of the page. Determine the direction of the magnetic force on the alpha particle points.

NightlyHakr asked Oct 18, 2024

by NightlyHakr

8.2k points

1 answer

2 votes

79.5k views

Are the net force on an object and the acceleration of the object directly proportional?

JamesWampler asked Oct 18, 2024

by JamesWampler

7.4k points

1 answer

1 vote

138k views

What is the peak emf generated by rotating a 1000-turn, 20.0 cm diameter coil in the Earth’s 5.00×10^(-5) T magnetic field, given the plane of the coil is originally perpendicular to the Earth’s field

Glenn Utter asked Oct 18, 2024

by Glenn Utter

7.8k points

1 answer

0 votes

76.7k views

What is light spectrum

Stephan Wehner asked Oct 18, 2024

by Stephan Wehner

8.3k points

1 answer

0 votes

22.0k views

What is the relation between ⃗ , ⃗ and ⃗ ? A) Cross product B) Dot product C) Scalar multiplication D) Matrix addition

Ana Khorguani asked Oct 18, 2024

by Ana Khorguani

7.7k points

1 answer

2 votes

232k views

The horizontal surface on which the objects slide is frictionless. the acceleration of gravity is 9.8 m/s². if fℓ = 20 n and fr = 6 n, what is the magnitude of the force exerted on the block with mass

Fantastic Mr Fox asked Oct 18, 2024

by Fantastic Mr Fox

7.6k points

1 answer

2 votes

59.9k views

Two cyclists leave from the same starting point. One cyclist travels due west while the other travels on a bearing of 202°. After traveling for 18 km, the second cyclist is due south of the first cyclist.

Susanne Jarl asked Oct 18, 2024

by Susanne Jarl

8.4k points

1 answer

4 votes

78.2k views

A device used since the 1940s to measure the kick or recoil of the body due to heart beats is the "ballistocardiograph." What physics principle(s) are involved here to measure the force of cardiac contraction?

Greg Campbell asked Oct 18, 2024

by Greg Campbell

7.7k points

1 answer

4 votes

14.5k views

The driver of a car with a total of 1800 kg mass is traveling at 23 m/s when he slams on the brakes, locking the wheels on the dry pavement. The coefficient of kinetic friction between rubber and dry concrete

Roberto Rizzi asked Oct 18, 2024

by Roberto Rizzi

9.7k points

1 answer

3 votes

209k views

One problem with our initial calculation of the strength of water vapor feedback in part k is that it does not reflect the additional warming the surface experience due to water vapor feedback calculate

Jaseelder asked Oct 18, 2024

by Jaseelder

8.4k points

1 answer

3 votes

222k views

If the leafhopper receives 463,000 kJ of energy, which value best represents the approximate energy lost between the trophic levels occupied by the gray rat snake and the Cooper’s hawk?

Broda Noel asked Oct 18, 2024

by Broda Noel

8.6k points

1 answer

4 votes

179k views

A metal sphere of radius R = 0.4 m, carrying charge q 10⁻¹⁰ C, is surrounded by a thick concentric metal shell (inner radius a 0.8 m, outer radius 6 1.0 m). The shell carries no net charge. Now the outer

LeBleu asked Oct 18, 2024

by LeBleu

9.1k points

1 answer

3 votes

219k views

The transmitter coil shown in Figure 1 is designed for wireless power transfer in small electronic devices. It comprises a coil wound with a round copper wire of diameter d = 4mm, wound in a planar spiral

Bastian Stein asked Oct 18, 2024

by Bastian Stein

9.1k points

1 answer

0 votes

18.0k views

An abject is placed 18cms away from a concave mirror whose focal length is 10cms .Then the size of area of the image if the object be 4mm broad and 12mm long is ______

Jamil asked Oct 18, 2024

by Jamil

7.3k points

1 answer

4 votes

67.4k views

A titanium cube has a mass of 1,415 g. What is the side measurement of this cube in cm? a) 11 cm b) 12 cm c) 13 cm d) 14 cm

Bob Fang asked Oct 18, 2024

by Bob Fang

8.1k points

1 answer

3 votes

223k views

The equation of a simple harmonic wave is y = 4sin [it (t/9 - x/5) + 1/6] where t is in second and x in cm. Which of the following statements is correct about the wave? a) The frequency of the wave is

Sudh asked Oct 18, 2024

by Sudh

8.8k points

1 answer

4 votes

106k views

Which of the following is NOT implied by Kepler's Laws of planetary motion? (a) Uranus should take less time to orbit the Sun than Neptune does. (b) The orbit of Earth should be an ellipse. (c) Mercury

MarkOfHall asked Oct 18, 2024

by MarkOfHall

7.4k points

1 answer

1 vote

40.6k views

A 1100 kg safe is 1.8 m above a heavy-duty spring when the rope holding the safe breaks. The safe hits the spring and compresses it 42 cm . Part A: What is the spring constant of the spring? Express your

Puchu asked Oct 18, 2024

by Puchu

7.9k points

1 answer

1 vote

156k views

7. A car has a 12 Volt battery. When someone starts the car 200 amps of current move through the car’s starter. What is the resistance of the car’s starter?

Britton asked Oct 18, 2024

by Britton

8.4k points

1 answer

0 votes

23.4k views

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