Recent questions in Physics

Question

What is the nature of material after elastic limit

BI Dude asked Jun 25, 2023

by BI Dude

5.7k points

1 answer

25 votes

39.4k views

QUESTION 30Despite a very strong wind, a tennis player manages to hit a tennis ball with her racquet so that the ball passes over the net and lands in her opponent's coConsider the following forces:1.

George G asked Jun 25, 2023

by George G

5.7k points

1 answer

4 votes

86.4k views

What is the acceleration of an object if the force is 90 newtons and the mass is 45 kg? a 2.5 m/s2 b 3.6 m/s2 c 1.3 m/s2 d 2.0 m/s2

Sadananda Salam asked Jun 25, 2023

by Sadananda Salam

6.2k points

1 answer

25 votes

69.1k views

Do you know it is scientifically impossible for bees to fly. yet bees fly.

Richard Warburton asked Jun 25, 2023

by Richard Warburton

5.8k points

2 answers

9 votes

133k views

(a) Calculate the range of wavelengths (in m) for visible light given its frequency range is 380 to 760 THz.smaller valuem =larger valuem (b) Do the same for the FM frequency range of 88.0 to 108 MHz.smaller

Abnerl asked Jun 25, 2023

by Abnerl

6.7k points

1 answer

1 vote

227k views

A race car speeds up from 0 m/s to 40.0 m/s in 4 seconds. What is the vehicle's acceleration? A. 16 m/s² B. 10.0 m/s² C. 4.0 m/s² D. 8.0 m/s²

Ylun asked Jun 25, 2023

by Ylun

5.7k points

2 answers

1 vote

194k views

A 5.0-kg rock is dropped from a height of 21.0 m. At what height is the rock's kinetic energy twice its potential energy? answer:___m

Anatoliy Kmetyuk asked Jun 25, 2023

by Anatoliy Kmetyuk

6.5k points

1 answer

0 votes

126k views

The initial velocity of a truck is 10 m/s. How long must it accelerate at a constant acceleration of 2m/s2 before its average velocity is equal to three times its initial velocity

Adriana asked Jun 25, 2023

by Adriana

6.5k points

1 answer

22 votes

39.8k views

Two buses leave a bus station and travel in opposite directions from that same starting point. If the speed of one is twice the speed of the other and they are 240km apart at the end of one hour, what

Tehnyit asked Jun 25, 2023

by Tehnyit

6.5k points

1 answer

4 votes

212k views

Which object describea an object that has no unbalanced force acting on it

Felixmondelo asked Jun 25, 2023

by Felixmondelo

6.4k points

1 answer

19 votes

53.4k views

George has a table that measures 1.5 m x 2 m x 0.3 m. Whats id the volume of his table?

Sehummel asked Jun 25, 2023

by Sehummel

6.4k points

2 answers

0 votes

123k views

The highest frequencies humans can hear isabout 20000 Hz.What is the wavelength of sound in airat this frequency?The speed of sound is310 m/s.

Andres Riofrio asked Jun 25, 2023

by Andres Riofrio

6.8k points

1 answer

3 votes

86.3k views

What best describes the sum of all forces acting on an object

Catalin asked Jun 24, 2023

by Catalin

6.0k points

2 answers

3 votes

110k views

Find the force exerted by a pressure of 40N/m² acting over an area of 0.0025 cm

JustTheAverageGirl asked Jun 24, 2023

by JustTheAverageGirl

6.3k points

1 answer

4 votes

168k views

3. A very brittle piece of iron metal (C=.44 J/gC) is heated to 200 C and placed into 75 g of water at 25 C. If the final temperature was 50 C, what is the mass of the iron?

Marian Gibala asked Jun 24, 2023

by Marian Gibala

5.6k points

1 answer

3 votes

28.0k views

Please Help This One I just can't think.

Jodee asked Jun 24, 2023

by Jodee

5.5k points

2 answers

19 votes

185k views

This is the hardest riddle by Albert Einstein.. Give correct answer or say nothing Wrong answer will be reported

Qiong asked Jun 24, 2023

by Qiong

6.1k points

1 answer

7 votes

78.0k views

Why are chemical properties harder to observe than physical properties? A. physical properties change the substance identity B. chemical properties change the substance's identity C. chemical properties

Manish Mehra asked Jun 24, 2023

by Manish Mehra

6.0k points

1 answer

24 votes

68.8k views

What is the average velocity of a car that moved 40km east and 80km west in 2 hours

Razor asked Jun 24, 2023

by Razor

5.8k points

1 answer

1 vote

209k views

0. 85 kg of lead, specific heat 128 J/kgC, is heated from 50 C to 95 C. How much heat energy did the sample absorb?

David Gomez asked Jun 24, 2023

by David Gomez

5.5k points

1 answer

9 votes

132k views

Page:

« prev
1
...
922
923
924
925
926
927
928
...
1000
...
next »

Ask a Question

Recent questions in Physics

Other Questions