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A student rolls a 3-kilogram ball down the same ramp used in Setup 2. The speed of the ball after 2 seconds was 4 meters per second. The student concludes that the kinetic energy of the 3-kilogram ball

Ceilingcat asked Aug 8, 2023

by Ceilingcat

5.9k points

1 answer

23 votes

77.9k views

If the mass of a ball is 20 kg and it accelerates 5 m/s2, find the Force applied to it. F=_N

Jereme asked Aug 8, 2023

by Jereme

6.1k points

2 answers

19 votes

160k views

If a cart has 100 Joules of mechanical energy and 60 Joules of that is potential energy, how much kinetic energy must it have?

Hanane asked Aug 8, 2023

by Hanane

6.3k points

1 answer

0 votes

107k views

What common unit is used to measure sound intensity? Answer here

Boriana Ditcheva asked Aug 8, 2023

by Boriana Ditcheva

5.9k points

1 answer

1 vote

109k views

Doubling the frequency of a sound wave within a uniform (unchanging) medium will _________. Select all that apply.a- halve the amplitude of the waveb- halve the wavelength of the wavec- double the speed

Lewis Peel asked Aug 8, 2023

by Lewis Peel

6.5k points

1 answer

4 votes

37.7k views

In a parallel circuit, what’s happens to the current through each resistor when the voltage is doubled? A. The current is doubled B. The current is decreased by half C. The current remains constant

Skylar asked Aug 8, 2023

by Skylar

6.8k points

2 answers

13 votes

55.2k views

if you jump off of a wagon moves backwards, what is the action force? reaction force? & what newton law is this?

Gordonfreeman asked Aug 8, 2023

by Gordonfreeman

6.4k points

1 answer

4 votes

55.7k views

Can someone help me. I’m really bad with these stuff. Tried asking a friend for help didnt go well

HKS asked Aug 8, 2023

by HKS

7.0k points

1 answer

4 votes

182k views

Provided that velocity is constant, doubling the frequency of a wave should... A. double the wavelength as well B. have no affect on the wavelength C. reduce the wavelength by half

Taraman asked Aug 8, 2023

by Taraman

5.9k points

1 answer

0 votes

10.1k views

How much of a 500 g sample of potassium-42 is left after 62.0 hours if its half-life is 12.4hours?

TemporalWolf asked Aug 8, 2023

by TemporalWolf

6.1k points

1 answer

3 votes

79.2k views

Pitch is primarily determined by the ______ of the sound wave. a. amplitude b. clarity c. decibels d. frequency

Srinivas Guni asked Aug 8, 2023

by Srinivas Guni

7.0k points

1 answer

4 votes

159k views

The diagram shows a measuring cylinder containing a liquid,and at thay same measuring cylinder when it is empty . What is the density of the liquid

Fhilton asked Aug 8, 2023

by Fhilton

6.0k points

2 answers

2 votes

156k views

List the three things forces are needed for on Earth.

Eazy asked Aug 8, 2023

by Eazy

7.1k points

1 answer

22 votes

84.7k views

When a boy jumps into a pool

Steven Manuel asked Aug 8, 2023

by Steven Manuel

6.2k points

1 answer

3 votes

11.6k views

Perform the following mathematical operation and report the answer to the appropriate number of significant figures. 7.273 - 12.37 = [?]

Hross asked Aug 8, 2023

by Hross

6.6k points

1 answer

4 votes

123k views

Why are Big cinema hall are carpeted and their walls are made of some rough materials

Matthew McPeak asked Aug 8, 2023

by Matthew McPeak

7.3k points

1 answer

18 votes

1.2k views

Sixty-three joules of heat are added to a closed system. The initial internal energy of the system is 58 J, and the final internal energy is 93 J.How much work is being done by the system?28 J30 J88 J151

Jarora asked Aug 8, 2023

by Jarora

6.7k points

1 answer

5 votes

21.9k views

4. A truck travels a curve of radius 10 m at 18 km/hr on a force of 15000 N. What is the mass of the truck?

Cambiata asked Aug 8, 2023

by Cambiata

7.2k points

1 answer

4 votes

122k views

How is faster motion displayed in terms of slope

Crankparty asked Aug 8, 2023

by Crankparty

6.8k points

2 answers

6 votes

109k views

What is the period of oscillation (in seconds) shown in the figure below ?

JesusFreke asked Aug 8, 2023

by JesusFreke

6.7k points

1 answer

5 votes

160k views

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