Recent questions in Physics

Question

A rocket was launched, and its height, ℎ, in meters, above the ground after time, t, in seconds, is represented by h=11+10t−2t^2 . For how many seconds was the rocket in the air? A. 3 seconds B. 4 seconds

Xiaoye asked Dec 27, 2024

by Xiaoye

7.8k points

1 answer

5 votes

73.5k views

Nderstand that the first observable phase of the expansion is when atoms first formed, leading to the cosmic microwave background. A) Stellar evolution B) Galactic dynamics C) Universe expansion history

Shaurya Chaudhuri asked Dec 27, 2024

by Shaurya Chaudhuri

8.0k points

1 answer

0 votes

213k views

What is the quark structure of a negative sigma?

Rads asked Dec 27, 2024

by Rads

7.5k points

1 answer

3 votes

3.5k views

Which moon of the jovian planets has a thick, hazy atmosphere?

Linuxfan asked Dec 27, 2024

by Linuxfan

7.8k points

1 answer

3 votes

217k views

A runner can develop a maximum speed of 11m/s when sprinting. Calculate the time interval that is required to run 100 m.

JsonV asked Dec 27, 2024

by JsonV

8.6k points

1 answer

2 votes

174k views

How much does the endeavor space shuttle weigh

Yogendra Singh asked Dec 27, 2024

by Yogendra Singh

7.8k points

1 answer

4 votes

60.8k views

Knob and tube wiring has two fuses. Where a fuse is blown on the neutral wire, power is still in the circuit ___________

Jpmorin asked Dec 27, 2024

by Jpmorin

8.5k points

1 answer

2 votes

120k views

What is the typical volume rate for a Simple Mask in respiratory therapy? A) 5-10 L/min B) 15-20 L/min C) 25-30 L/min D) 35-40 L/min

Alex Wright asked Dec 27, 2024

by Alex Wright

7.5k points

1 answer

5 votes

166k views

How can a person sing into a piano and cause a piano wire to vibrate? (1 point) O The person sings at the same frequency as the piano wire, called the beat frequency. OThe person sings at a different frequency

Kodaloid asked Dec 27, 2024

by Kodaloid

8.1k points

2 answers

5 votes

49.7k views

a short linear object of length b lies along the axis of a concave mirror of focal length f at a distance u from the pole of the mirror. the size of the image is approximately equal to :

Christopher Robin asked Dec 27, 2024

by Christopher Robin

8.5k points

1 answer

4 votes

82.1k views

Explain the difference in particle energy between an ice cube and liquid water.

Dannymcc asked Dec 27, 2024

by Dannymcc

8.9k points

1 answer

2 votes

62.7k views

A parallel-plate capacitor has capacitance C = 12.5 pF when the volume between the plates is filled with air. The plates are circular, with radius 3.00 cm . The capacitor is connected to a battery and

Sabyasachi Ghosh asked Dec 27, 2024

by Sabyasachi Ghosh

9.1k points

1 answer

3 votes

209k views

when solid borax is dissolved in water, do you expect the standard entropy of the system to increase or decrease? explain your answer. will the sign of be positive or negative.

Lorenzo asked Dec 27, 2024

by Lorenzo

8.9k points

1 answer

2 votes

82.0k views

An object of 5 kg mass traveling at 10 m/s speed collides with another object of 10 kg mass at rest. The total momentum of the system after collision is: a) 50 kg m/s b) 0 kg m/s c) 100 kg m/s d) 150 kg

Telmo Costa asked Dec 27, 2024

by Telmo Costa

8.0k points

1 answer

5 votes

222k views

Where all combustion air for gas-fueled appliances is provided by a mechanical air supply system, the combustion air shall be supplied from the outdoors at a rate not less than how many cubic feet per

GentryRiggen asked Dec 27, 2024

by GentryRiggen

8.4k points

1 answer

4 votes

35.6k views

Yellow stars are considered (in terms of temperature)

Iskander asked Dec 27, 2024

by Iskander

8.1k points

1 answer

3 votes

230k views

Water is combination of: O hydrogen and olygen O hellum and oxygen O oxygen and carbon O carbon and hydrogen

Gazi asked Dec 27, 2024

by Gazi

7.8k points

1 answer

5 votes

26.9k views

One airline limits the size of carry-on luggage to a volume of 40,000 cm³. A passenger has a carry-on that has an area of 1,960 cm² and is 23 cm high. Is the passenger's luggage okay to carry onto the

Ciado asked Dec 27, 2024

by Ciado

8.4k points

1 answer

2 votes

208k views

A.005kg bullet going 200m/s, hits a .995kg block of wood, what is the final speed of the bullet and wood as they fly off together?

Scampbell asked Dec 27, 2024

by Scampbell

8.0k points

2 answers

3 votes

199k views

How fast does a 15g tennis ball move if it has 50J of Kinetic energy?

Ultrajohn asked Dec 27, 2024

by Ultrajohn

7.7k points

1 answer

4 votes

152k views

Page:

« prev
1
...
19
20
21
22
23
24
25
...
1000
...
next »

Ask a Question

Recent questions in Physics

Other Questions