Recent questions in Physics

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A girl uses 60 J of energy to move a box from the floor to a shelf. How much power does she use if it takes her 3 s to move the box? 1. 15w 2. 20w 3.90w 4.180w

Pratik Stephen asked Jun 16, 2023

by Pratik Stephen

5.7k points

1 answer

25 votes

160k views

A cat and his frictionless roller-skates have a total mass of 2kg. It was rolling at 5m/s to the right, and then crashed into a 3 kg cake that had ben left on the floor. The cake was initially at rest,

JeroenHoek asked Jun 16, 2023

by JeroenHoek

4.9k points

1 answer

1 vote

1.4k views

What is the stone’s velocity after 1 second? m/s

Rauni Lillemets asked Jun 16, 2023

by Rauni Lillemets

5.3k points

2 answers

17 votes

132k views

In terms of diameter, the planet saturn is larger than _______ , but smaller than _______.

Khepin asked Jun 16, 2023

by Khepin

5.4k points

1 answer

0 votes

39.2k views

An expensive vacuum system can achieve a pressure as low as 1.03 ✕ 10−7 N/m2 at 22°C. How many atoms are there in a cubic centimeter at this pressure and temperature? atoms =

Kovpaev Alexey asked Jun 16, 2023

by Kovpaev Alexey

4.6k points

1 answer

5 votes

2.0k views

A 6.00 µF parallel plate capacitor has a charge of +40 μC. What is the potential energy stored in this capacitor?Answer Choices103 μJ113 μJ123 μJ 133 μJ

Leebutts asked Jun 16, 2023

by Leebutts

4.9k points

1 answer

2 votes

179k views

Choose the correct speed and direction of a plane with a velocity of <5, -12>

Sanjay Mohnani asked Jun 16, 2023

by Sanjay Mohnani

5.0k points

1 answer

0 votes

230k views

Can someone please help

Neeku asked Jun 16, 2023

by Neeku

5.3k points

1 answer

9 votes

42.6k views

How much of a 75 mg sample of will remain after 750 hours if the sample has a half-life of 7.5days?

Animus asked Jun 16, 2023

by Animus

5.3k points

1 answer

1 vote

161k views

When the "full" moon rises, the color is yellowish while its color directly overhead is white. Why?

Jake Taylor asked Jun 16, 2023

by Jake Taylor

5.5k points

1 answer

4 votes

113k views

When vectors B+A=5i-j and B-A=i-7j, what is the magnitude and direction of vector A?

Rebo asked Jun 16, 2023

by Rebo

5.2k points

1 answer

9 votes

138k views

What is energy? a. the ability to do work b. chemical change c. force d. force x distance I'm pretty sure I know the answer I just want to make sure.

Elham asked Jun 16, 2023

by Elham

5.2k points

1 answer

13 votes

157k views

5. A 200 m long aluminum wire has the same resistance and cross-sectional area as a carbon wire. What is the length of the carbon wire?

Eyni Kave asked Jun 16, 2023

by Eyni Kave

4.9k points

1 answer

7 votes

3.2k views

Rob drove to the nearest hospital with an average speed of v m/s in t seconds. In terms of t, if he drives home on the same path, but with an average speed of 3v m/s, how long is the return trip home?

NikkiA asked Jun 16, 2023

by NikkiA

4.9k points

1 answer

5 votes

68.8k views

I need help finding the area for these acceleration time graphs problem C.

Maniacalrobot asked Jun 16, 2023

by Maniacalrobot

5.3k points

1 answer

5 votes

53.8k views

Plasma is one of the fundamental states of matter and consists of a: A) liquid at high temperature B) totally or partially ionized gas, electrically neutral C) partially ionized gas, with electric charge

Brian Johnson asked Jun 16, 2023

by Brian Johnson

5.1k points

1 answer

2 votes

216k views

A force of 3N acts on 90degree to a force of 4N.find the magnitude and direction of the resultant R.

Dumoko asked Jun 16, 2023

by Dumoko

4.9k points

1 answer

9 votes

152k views

A string exerts a force of 20 N on a box at an angle of 38° from the horizontal. What is the horizontal component of the force on the box?

Muthee asked Jun 16, 2023

by Muthee

5.5k points

2 answers

20 votes

168k views

Find the magnitude of the vector sum A→+B→+C→ . Each grid square is 2.00 N on a side. If the vector sum is to the west, enter a negative value. If the vector sum is to the east, enter a positive value.

Deemok asked Jun 15, 2023

by Deemok

5.7k points

1 answer

4 votes

193k views

A speed is a scalar physical quantity. Why?

DhS asked Jun 15, 2023

by DhS

5.1k points

2 answers

2 votes

126k views

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