371 Answered Questions for the topic physics B

Physics B

01/14/22

How to find the speed of a wave
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01/11/22

Calculate the force created at each of the slave cylinders.
A force of 100 N is applied to the brake pedal, which acts on the cylinder called the master through a lever. A force of 500 N is exerted on the master cylinder. The pressure created in the master... more
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01/08/22

why vehicles overturn when going too fast around a curve? Which wheel leaves the ground first?
why vehicles overturn when going too fast around a curve? Which wheel leaves the ground first?
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Physics B Physics Physics C

12/07/21

A merry-go-round has a mass of 1600 kg and a radius of 8.00 m .

Part A How much net work is required to accelerate it from rest to a rotation rate of 1.00 revolution per 8.60 s ? Assume it is a solid cylinder.W= j
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Physics B Physics Physics C

12/06/21

Please help (correct answer only)

Calculate the translational speed of a cylinder when it reaches the foot of an incline 7.35 m high. Assume it starts from rest and rolls without slipping. Express your answer with the appropriate... more
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12/06/21

Members AD, DC and ABC are assumed to be solid rigid members; member ED is a cable. For this structure, determine the reaction at A, the tension on cable ED and the force in member DC.
Link for the structure: https://drive.google.com/file/d/1DxMIGWG2rRfqXvjci6aN2CHWfTkghlyP/view?usp=sharing
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12/06/21

In Figure 1 and using Method of Sections, find the force in CD, BC and AC if the load acting at Joint C is decreased to 2,500 N.
link of figure 1: https://drive.google.com/file/d/1J0zSHxO9aXIMa7D9G18SUy9qt2oq2C9E/view?usp=sharing
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Physics B Math Calculus Physics

12/06/21

A 7.6 −kg box having an initial speed of 4.5 m/s slides along a rough table and comes to rest.
A 7.6 −kg−kg box having an initial speed of 4.5 m/sm/s slides along a rough table and comes to rest.Estimate the total change in entropy of the universe. Assume all objects are at room... more
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Physics B Math Science Calculus

12/06/21

By what factor will the rms speed of gas molecules increase if the temperature is increased from 30 ∘C to 130 ∘C?
By what factor will the rms speed of gas molecules increase if the temperature is increased from 30 ∘C∘C to 130 ∘C∘C?
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Physics B Math Science Calculus

12/06/21

A storage tank at STP contains 18.9 kg of nitrogen (N2).What is the volume of the tank?
A storage tank at STP contains 18.9 kgkg of nitrogen (N2)(N2).What is the volume of the tank?What is the pressure if an additional 14.2 kgkg of nitrogen is added without changing the temperature?
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Physics B Physics Physics C

11/28/21

I got Part A,B and they are correct. I need help with part C. If you can help me with part C i would really appreciate it. A satellite of mass 5800 kg orbits the Earth and has a period of 5800 s .
Part A Determine the radius of its circular orbit. Express your answer using two significant figures. r = 7.0×10^6 mPart B Determine the magnitude of the Earth's gravitational force on the... more
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Physics B Physics Physics C

11/27/21

The terminal velocity of a 3×10^−5 kg raindrop is about 9 m/s . Assume a drag force FD=−bv.
Determine the value of the constant b. Express your answer using one significant figure.
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11/20/21

Physics problem for normal force URGENT

Lily, 50kg, Julie 52kg is driving in a car on their way to watch a terrible Manchester United match. The Normal force of the car 10 887.8N at this point. Next they give Robert, 60k, a ride to this... more
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Physics B Physics Physics C

11/15/21

Does anyone know the answer because i got the wrong answer
A 18 g bullet strikes and becomes embedded in a 1.30 kg block of wood placed on a horizontal surface just in front of the gun. Part A If the coefficient of kinetic friction between the block and... more
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Physics B Physics Physics C

11/15/21

Please help!!!!!!!!!!!! i got the wrong answer
A 130-kg tackler moving at 2.1 m/s meets head-on (and tackles) an 92-kg halfback moving at 5.3 m/s . Part A What will be their mutual speed immediately after the collision? Express your answer... more
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Physics B Math Calculus Chemistry

11/04/21

Please helppppp
The terminal velocity of a 3×10^−5 kg raindrop is about 9 m/s . Assume a drag force FD=−bv.a) Determine the value of the constant b. Express your answer using one significant figure.b= _____... more
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11/03/21

Does anyone know the answer????
The terminal velocity of a 3×10^−5 kg raindrop is about 9 m/s . Assume a drag force FD=−bv.a) Determine the value of the constant b. Express your answer using one significant figure.b= _____... more
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Physics B Physics Physics C

11/03/21

Do you know where I am going through
Identify at least six pairs of action-reaction force pairs in the following.1st a boy pulling something2nd a bowling ball hitting pins.3rd flying hot air balloon
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Physics B Physics Physics C

11/03/21

Activity 5. Pull each other
Materials: 2 rubber bonds and ruler/ tape measureProcedure:1. Tie the two rubber bond together.2. Each person should pull back the end of the rubber bond. Record the two readings using a ruler or... more
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Physics B Physics Physics C

11/02/21

Fill in the blanks
Fill in the blanks. Write your answers on the provided answer sheet.An object travelling in a curved path is called_____.The motion is called_____.The Path it travels is called_____.When an object... more
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Physics B Physics Physics C

10/30/21

Activity no. 1.3: Exploring Newton's Law of Motion
*Balloons of various shapesand sizes*Construction paper*String*Straws*Tape*Scissors*Kitchen clips*Normal paperclips, craftingsticks or other items that can be used as weights on the balloons*Anchor... more
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Physics B Physics Physics C

10/30/21

Activity no. 1.2: Inertia Tricks
Materials: Coin, Paper, and small cup/glass Procedure:1. Place the paper on the small cup/glass.2. Place the coin on the paper. 3. Pull the paper quickly. Observe.Think about it:1. What happened to... more
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Physics B Physics Physics C

10/30/21

What is this? Give the word from its meaning written below
1. The speed of an object at a certain instant of time.2. The speed of something in a given direction.3. The moving of something from its place or position.4. refers to how fast an object is... more
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Physics B Physics Physics C

10/30/21

Find a,b,c and d
A physics book slides off a horizontal tabletop with a speed of 1.10 m/s. It strikes the floor in 0.480 s. Ignore air resistance. Find (a) the height of the tabletop above the floor;(b) the... more
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Physics B Physics Physics C

10/30/21

Why it happened?
A viral video of a Physics professor in Silliman University is currently circulating because of his demonstration on circular motion. He securely tied the handle of a pail through a string. Then,... more
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