12,748 Answered Questions for the topic physics

04/05/23

Determine the members forces.
Please help me solve
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Physics

04/05/23

Phy Review Question Part 2 Help
A potter's wheel, with rotational inertia 7.20 kg·m2 is spinning freely at 18.0 rpm. The potter drops a 2.70 kg lump of clay onto the wheel, where it sticks a distance of 50.0 cm from the rotation... more
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Physics

04/05/23

Magnitude of Acceleration
How would I calculate magnitude of acceleration given the following?Object falling from height 2m above ground.Stops gradually during its fall over a height of 10cm.Gravity = 9.80 ms-2
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Physics

04/05/23

dynamics cart question
A dynamics cart is pulled from rest by a net force of 1.2 N [forward]. The cart moves 6.6 m, reaching a velocity of 3.2 m/s [forward]. Determine the mass of the cart.
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Physics

04/04/23

What is work and distance of the book?
A 20 kg box is pushed from rest to find a velocity of 8 m/s. If the force pushing the book is 10 N, how far does the book travel?
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Physics

04/04/23

What is work and distance of the book?
A 20 kg box is pushed from rest to find a velocity of 8 m/s. If the force pushing the book is 10 N, how far does the book travel?
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Physics

04/04/23

What is the wavelength for an FM radio signal if the number on the dial reads 101.8 MHz?
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Physics

04/04/23

The compound eyes of bees and other insects are highly sensitive to light in the ultraviolet portion of the spectrum, particularly light with a frequency between 7.4 ✕ 1014 Hz and 0.96 ✕ 1015 Hz.
To what wavelengths do these frequencies correspond?a.) The lower wavelength is:b.) The upper wavelength is:
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Physics

04/04/23

How fast do radiowaves travel in a vacuum?
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Physics

04/04/23

What is the period of a wave whose frequency is 6.5 Hz?

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Physics

04/04/23

A professor sits on a rotating stool that is spinning at 10.0 rpm while she holds a heavy weight in each of her hands. Her outstretched hands are 0.735 m from the axis of rotation, which passes...
A professor sits on a rotating stool that is spinning at 10.0 rpm while she holds a heavy weight in each of her hands. Her outstretched hands are 0.735 m from the axis of rotation, which passes... more
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Physics

04/04/23

I put in the wrong times for lessons. How can I change that in chat or with the proposed tutor?
Need to see if the tutor is available for a different day/time than what I originally requested.
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Physics

04/03/23

A stick is resting on a concrete step with 1/3 of its total length 𝐿 hanging over the edge. A single ladybug lands on the end of the stick hanging over the edge, and the stick begins to tip. A mom...
A stick is resting on a concrete step with 1/3 of its total length 𝐿 hanging over the edge. A single ladybug lands on the end of the stick hanging over the edge, and the stick begins to tip. A... more
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Physics

04/03/23

A 230g mass hangs from a string that is wrapped around a pulley. The pulley is suspended in such a way that it can rotate freely. When the mass is released, it accelerates toward the floor as the...
A 230g mass hangs from a string that is wrapped around a pulley. The pulley is suspended in such a way that it can rotate freely. When the mass is released, it accelerates toward the floor as the... more
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Physics

04/02/23

Resistance and circuits
The resistance of each brake lightbulb on an automobile is 8.5 Ω. Use the fact that cars have 12-V electrical systems to compute the current that flows in each bulb if they are connected in series.... more
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04/02/23

crystal lattice of a material

What is the crystal lattice of a material having the CFC crystal structure with a unit cell consisting of copper (Cu) and silver (Ag) atoms?how the choice of atoms that make up the crystalline... more
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04/01/23

How can I increase the packing factor and at the same time create more void space in a crystalline structure of a refractory material?
How can I optimize the packing factor and at the same time create more void space in a crystalline structure of a refractory material?
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Physics

03/30/23

At what speed did the athlete need to shoot the pebble to hit the target
An athlete needs to hit a moving target that is launched vertically. The target launcher launches the target at 54km/h and is 27m away from the athlete. If the athlete is reacting after 280ms still... more
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03/30/23

Simple Harmonic Motion - When an insect gets caught in a spider web, its struggles cause the web to vibrate. This alerts the spider to a
When an insect gets caught in a spider web, its struggles cause the web to vibrate. This alerts the spider to a potential meal. The frequency of vibration of the web gives the spider an indication... more
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Physics

03/30/23

(a) If the speed of the block is 5.00   m / s when it reaches the bottom of the ramp, what was the work done on it by the friction force?
A 5.00 kg block is released from rest on a ramp that is inclined at an angle of 60.0° below the horizontal. The initial position of the block is a vertical distance of 2.00 m above the bottom of... more
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Physics

03/30/23

The axis of rotation of a thin plate is located at the left side, calculate the moment of inertia 𝐼 if the plate has a length 𝐿 of 9.00 cm, a width 𝑤 of 7.00 cm,and a uniform mass density of 2.50 
The axis of rotation of a thin plate is located at the left side, as shown in the figure.Calculate the moment of inertia 𝐼 if the plate has a length 𝐿 of 9.00 cm, a width 𝑤 of 7.00 cm,and a uniform... more
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Physics

03/29/23

physics questions----
3.A softball player swings a bat, accelerating it from rest to 3.0 rev/s in a time of 0.20 s. Approximate the bat as a 2.2 kg uniform rod of length 0.95 m, and compute the torque the player applies... more
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Physics

03/29/23

2.A grinding wheel is a uniform cylinder with a radius of 8.50 cm and mass of 0.580 kg. Calculate (a) The torque needed to accelerate it from rest to 1500 rpm in 5 seconds. Answer in Nm.
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Physics

03/29/23

1.A child rolls a ball on a level floor 3.5 m to another child. If the ball makes 15.0 revolutions, how many meters is its diameter?
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Physics

03/29/23

NEWTON'S SECOND LAW (ANGULAR)
4.Assume that a 1.00 kg ball is thrown solely by the action of the forearm, which rotates about the elbow joint under the action of the triceps muscle. The ball is accelerated uniformly from rest... more
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