Recent questions in Physics

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Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. How long will the ball be in the air before it lands? Round your answer to the nearest tenth.

Louth asked Jul 17, 2023

by Louth

5.2k points

1 answer

13 votes

209k views

Two particles of the same mass carry charges +3Q and –2Q, respectively. They are shot into a region that contains a uniform electric field as shown. The particles have the same initial velocities in the

Lakeweb asked Jul 17, 2023

by Lakeweb

6.4k points

1 answer

2 votes

161k views

What is the frequency of the siren when cyclist is stationary?

Mstearn asked Jul 17, 2023

by Mstearn

5.8k points

1 answer

1 vote

173k views

As the wrecking ball swings toward the wall, it’s kinetic energy will ____ ?Will the kinetic energy transfer onto the wall?

Rstudent asked Jul 17, 2023

by Rstudent

6.0k points

1 answer

4 votes

203k views

Explain the interplay between electric and magnetic forces in an electric generator.

Kfir Erez asked Jul 17, 2023

by Kfir Erez

6.7k points

1 answer

2 votes

123k views

Please help A 10 kg box initially at rest is pulled with a 50 N horizontal force for 4 m across a level surface. The force of friction acting on the box is a constant 20 N. How much work is done by the

ShankarG asked Jul 17, 2023

by ShankarG

6.2k points

1 answer

15 votes

147k views

Which of the following is the main goal of modern particle and theoretical physicists?Select one:a.to discover all the particlesb.to unify the four forces into one lawc.to find all the dimensionsd.to create

Darka asked Jul 17, 2023

by Darka

6.7k points

1 answer

2 votes

94.5k views

Physics newton's second law projectile

Travis Spencer asked Jul 17, 2023

by Travis Spencer

6.2k points

1 answer

24 votes

11.4k views

A water wave has a frequency of 0.9 Hz and a wavelength of 3 meters. What is the period of the wave in seconds?

Ianaz asked Jul 17, 2023

by Ianaz

6.1k points

1 answer

17 votes

68.6k views

What are the three symbols used in Ohm's law. Explain what each symbol represents and give the units for each of the variables.

Andreas Neumann asked Jul 17, 2023

by Andreas Neumann

5.5k points

1 answer

17 votes

7.2k views

What must the charge (sign and magnitude) of a particle of mass 1.44 g be for it to remain stationary when placed in a downward-directed electric field of magnitude 680 N/C

P Basak asked Jul 17, 2023

by P Basak

6.1k points

1 answer

20 votes

142k views

Molly is about to start pulling the puppies but she's not pulling hard enough yet to get it moving. What is holding her back?Static frictionDynamic frictionPulling from the puppiesgravity

Swordholder asked Jul 17, 2023

by Swordholder

7.4k points

1 answer

5 votes

212k views

Physics acceleration

Hsnkvk asked Jul 17, 2023

by Hsnkvk

6.3k points

1 answer

25 votes

60.2k views

A girl runs up the down escalator in the mall. If the escalator is moving with a velocity of 24 m/min and the girl is running with a velocity of 30 m/min, how far up the escalator can she go in 4 minutes?

KingKerosin asked Jul 17, 2023

by KingKerosin

6.0k points

1 answer

15 votes

145k views

How is the momentum of an object calculated?

Gesgsklw asked Jul 17, 2023

by Gesgsklw

5.9k points

1 answer

12 votes

86.4k views

What is the wavelength of a 200 Hz sound wave (assume speed of sound in air is 1125 ft/s; round to the nearest second decimal place e.g. 1.255

Vishal Kumar Sahu asked Jul 17, 2023

by Vishal Kumar Sahu

6.0k points

1 answer

7 votes

188k views

Two 2.7 cm x 2.7 cm square aluminum electrodes, spaced 0.4 mm apart are connected to a 81.45 V battery. What is the capacitance in pico Farads?

Alexandru Guzinschi asked Jul 17, 2023

by Alexandru Guzinschi

6.1k points

1 answer

3 votes

114k views

a 250kg box is being push with a force of 100N to the left and 225n to the right determine the acceleration

Jochem Kuijpers asked Jul 17, 2023

by Jochem Kuijpers

5.6k points

1 answer

1 vote

9.9k views

2. Three blocks, A,B and C of mass 2kg. 3kg. 5kg respectively kept side by side with one another are accelerated at 2m/s2 across a smooth horizontal surface by a force F evaluated the magnitude of F and

Mohamed Sayed asked Jul 17, 2023

by Mohamed Sayed

6.1k points

1 answer

1 vote

186k views

A mass is a fixed quantity of matter. The weight that mass feels depends on the __________ acting on the mass.

Cesia asked Jul 17, 2023

by Cesia

6.2k points

1 answer

0 votes

167k views

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