Recent questions in Physics

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State Lenz’s Law and give an example of how it is used

MowDownJoe asked Dec 26, 2023

by MowDownJoe

3.8k points

1 answer

4 votes

121k views

5) A spring is stretched 0.15 m and the force was 1500 N. What is the spring constant?

Francesco Verheye asked Dec 26, 2023

by Francesco Verheye

3.7k points

1 answer

4 votes

205k views

Four resistors are arranged in a circuit, as shown. There is aconstant voltage V across the voltage source. The current I is 0.25 ampere,(a) Find the equivalent resistance of the four resistors.(b) Find

Belynda asked Dec 26, 2023

by Belynda

3.8k points

1 answer

1 vote

217k views

An upward force of 27.5 N is applied via a string to lift up the a ball with a mass of 2.5 kg A . What is the magnitude and direction of the net force acting upon the ball?B. What is the magnitude and

Nextstep asked Dec 26, 2023

by Nextstep

3.4k points

1 answer

0 votes

59.0k views

What is the magnitude of the electric field 12 cm from a charge of 1.5 nC?

Sandeep Lade asked Dec 26, 2023

by Sandeep Lade

4.0k points

1 answer

3 votes

48.0k views

7. A car traveling at a speed of 30.0 m/s encounters an emergency and comes to a complete stop. How muchtime will it take for the car to stop if it slows down at -4.0 m/s2?

Askaga asked Dec 26, 2023

by Askaga

3.7k points

1 answer

2 votes

22.1k views

What effect does speed have on braking distance

Gurudeb asked Dec 26, 2023

by Gurudeb

4.3k points

2 answers

2 votes

51.6k views

sodium hydroxide neutralizes carbonic acid (h2co3) the products are water and sodium carbonate. Write and balance this equation.

Silveri asked Dec 26, 2023

by Silveri

4.3k points

1 answer

3 votes

140k views

What is the Ksp expression for Ni3(PO4)2(s) in water? options: Ksp = [Ni2+]3[PO43-]2 Ksp = [Ni2+]2[PO43-]3 Ksp =(3x[Ni2+])(2x[PO43-]) Ksp =(3x[Ni2+])3(2x[PO43-])2

Joachim VR asked Dec 26, 2023

by Joachim VR

3.8k points

1 answer

2 votes

134k views

True or false. Zero work is only possible when the angle between the force vector and the displacement vector is exactly 90 degrees.

Boutran asked Dec 26, 2023

by Boutran

3.9k points

1 answer

5 votes

209k views

A pneumatic cylinder contains 75.0 mL of air at atmospheric pressure and a temperature of 35 degrees Celsius. If the pressure is held constant, calculate the volume of the air if it is cooled to a temperature

David Blaney asked Dec 26, 2023

by David Blaney

4.3k points

1 answer

3 votes

30.2k views

When two forces act in the same direction on an object, the net force is found by ....................the forces. 1. adding 2.subtracting 3.multipling 4.dividing

NiklasMM asked Dec 26, 2023

by NiklasMM

3.7k points

1 answer

21 votes

79.1k views

A jet airplane travelling at the speed of 500 km / hr ejects its products of combustion at the speed of 1500 km / hr relative to the jet plane. What is the speed of the latter with respect to an observer

Myo Min Han asked Dec 26, 2023

by Myo Min Han

3.8k points

2 answers

7 votes

5.6k views

Find the current produced when a voltage of 60 V is applied to a resistance of 15 Ω? What is the equation?

Agjmills asked Dec 26, 2023

by Agjmills

4.0k points

1 answer

2 votes

4.1k views

Describe things that you have learned through the process of classical conditioning. How did you learn them?

Rich Williams asked Dec 26, 2023

by Rich Williams

3.9k points

1 answer

13 votes

65.6k views

A 2.45 kg brick is added onto a 14.3 kg cart that is moving with an initial horizontal speed of 5.4m/s. Find the horizontal speed of the cart and brick after the brick is in the cart.

Markling asked Dec 26, 2023

by Markling

4.1k points

1 answer

1 vote

40.8k views

if a ball is released from a height 80cm how long would it take the ball to reach the ground when g= 10m per seconds

Yonas asked Dec 26, 2023

by Yonas

4.2k points

2 answers

22 votes

11.0k views

A vibrating tuning fork is held near the mouth of a narrow plastic pipe partially submerged in water. The pipe is raised and the first loud sound is heard when the air column is 9.0 cm long.The temperature

Grengas asked Dec 26, 2023

by Grengas

3.8k points

1 answer

4 votes

67.5k views

True or False 1. Scientists have complete knowledge of atoms and this knowledge can never change?

Limnic asked Dec 26, 2023

by Limnic

3.8k points

2 answers

0 votes

5.9k views

Calculate the current through the ammeter (look at photo)

Trausti Thor asked Dec 26, 2023

by Trausti Thor

4.4k points

1 answer

7 votes

100k views

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