Recent questions in Physics

Question

PLEASE HELP ME WHICH ONE

Oneself asked Aug 4, 2023

by Oneself

6.3k points

2 answers

24 votes

204k views

A television uses 2245W usefully. The television has an efficiency of 0.69. Calculate the total power input of the television. Give your answer to the nearest whole number

JayB asked Aug 4, 2023

by JayB

6.2k points

1 answer

2 votes

129k views

1. What is the spring constant of a spring that stretches 12 cm when an object weighing 24 Nis hung from it?

Tharok asked Aug 4, 2023

by Tharok

6.8k points

1 answer

1 vote

226k views

An arrow of mass 0.0306 kilograms is placed on a bow, and the string is drawn back 0.591 meters with an average force of 141 newtons.What work is done on the bow? Include units in your answer. Answer must

Akosch asked Aug 4, 2023

by Akosch

7.4k points

1 answer

5 votes

3.8k views

Which of the following is true about the relationship between electricity and magnetism? A. Electricity can be used to create a magnet. B. Magnetism and electricity cannot be converted into one another.

Erez Hod asked Aug 4, 2023

by Erez Hod

6.2k points

1 answer

25 votes

125k views

This is in finance literacy Please help ASAP

Aaronofleonard asked Aug 4, 2023

by Aaronofleonard

6.2k points

1 answer

5 votes

40.4k views

A field hockey player runs X m forward and then straight back Y m during a game. If we consider forward to be positive her displacement is_____ m and the distance travelled is ___ m.

Fernan asked Aug 4, 2023

by Fernan

6.3k points

1 answer

1 vote

42.4k views

An object accelerates 1.5m/s2 when a force of 7.0 newtons is applied to it. What is the mass of the object?

Rawoof Ahamed asked Aug 4, 2023

by Rawoof Ahamed

6.4k points

1 answer

4 votes

52.3k views

A car is traveling in a race. The car went from the initial velocity of 35 m/s to the final velocity of 65 m/s in 5 seconds What is the acceleration? - 13 m/s om/ 6 m/s 13 m/s

Hopewell Mutanda asked Aug 4, 2023

by Hopewell Mutanda

6.4k points

2 answers

20 votes

99.8k views

While an elevator of mass 2325 kg moves upward, the tension in the cable is 38.8 kN. Assume the elevator is supported by a single cable. Forces exerted by the guide rails and air resistance are negligible.

Nurudeen asked Aug 4, 2023

by Nurudeen

6.6k points

1 answer

1 vote

179k views

A bat chasing a moth emits a sequence of three chirps every 0.010 seconds and later hears the echos of the chirps as detailed in the diagram shown. Question: How far away is the moth when the bat hears

Marek Lisik asked Aug 4, 2023

by Marek Lisik

7.3k points

1 answer

2 votes

109k views

120 volts is run through a primary coil containing 200 turns. If the secondary coil has 610 turns, what will the new output voltage be?

AndiM asked Aug 4, 2023

by AndiM

6.0k points

1 answer

1 vote

62.4k views

A car of 5 tonnes is moving with a speed of (v), having a k.e. of 2250kJ. Find the velocity of the car.

Shenglin Chen asked Aug 4, 2023

by Shenglin Chen

6.1k points

1 answer

1 vote

59.9k views

A worker pushes horizontally on a large crate with a force of 245 N, and the crate is moved 3.5 m. How much work was done? answer in : ___J

Joseph Victor asked Aug 4, 2023

by Joseph Victor

6.1k points

1 answer

2 votes

215k views

Newton’s laws of motion are an inherent part of our everyday life. Starting from the beginning of the day till the end, Newton’s laws find their applications in a number of activities we do.

Gaurav Khare asked Aug 4, 2023

by Gaurav Khare

6.2k points

1 answer

2 votes

88.5k views

Why is electric current scalar quantity with having direction ?

E L Rayle asked Aug 4, 2023

by E L Rayle

7.0k points

2 answers

14 votes

80.0k views

It takes a force of 88N to accelerate a wheelbarrow at a rate of 4 m/s2 . What is the mass of the wheelbarrow? A-22kg B-352kg C-0.045 kg D-40kg

Thom Porter asked Aug 4, 2023

by Thom Porter

6.9k points

2 answers

19 votes

2.0k views

A 3rd harmonic is being produced in a tube that is open at both ends. The tube is 3 meters long and the speed of sound is 340 m/s. What frequency will an observer hear?

Jpgerek asked Aug 4, 2023

by Jpgerek

6.6k points

1 answer

3 votes

40.5k views

What is the fraction form 4.75

Horta asked Aug 4, 2023

by Horta

6.5k points

1 answer

4 votes

21.5k views

Which one is evidence that electricity is flowing? A motor in a circuit is not moving The battery is connected A light bulb shines

Meandre asked Aug 4, 2023

by Meandre

6.2k points

1 answer

20 votes

65.7k views

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