12,727 Answered Questions for the topic physics

Physics

09/14/23

A protontravels through

A proton travels through a region of uniform magnetic field at an angle θ relative to the magnetic field. The magnitude of the magnetic field in this region is 1.10 T, and the proton's velocity is... more
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Physics

09/14/23

An electron travels through a particular point
An electron travels through a particular point in an experimental apparatus with a velocity of 0.867 × 1 0^6 m/s and at an angle of +54.7 degrees (counter-clockwise) relative to the positive... more
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Physics

09/14/23

An initially uncharged air-filled capacitor is connected to a 4.99 V charging source. As a result, the capacitor acquires 3.17×10−5 C of charge. Then, while the capacitor remains connected to the cha
An initially uncharged air-filled capacitor is connected to a 4.99 V charging source. As a result, the capacitor acquires 3.17×10−5 C of charge. Then, while the capacitor remains connected to the... more
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Physics

09/13/23

Electric fields
Often we have distributions of charge for which integrating to find the electric field may not be possible in practice. In such cases, we may be able to get a good approximate solution by dividing... more
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Physics

09/13/23

Calculation using dielectrics
Given a 7.4 pF air-filled capacitor, you are asked to convert it to a capacitor that can store up to 7.4 mJ with a maximum potential difference of 652 V. Which dielectric in Table 25-1 should you... more
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Physics Math

09/13/23

A paddle ball toy consists of a flat wooden paddle and a small rubber ball that are attached to each other by an elastic band.
use the approximation that v avg = Pf / m for each time stepA paddle ball toy consists of a flat wooden paddle and a small rubber ball that are attached to each other by an elastic band. you have a... more
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Physics

09/13/23

Estimate the magnitude of the acceleration 𝑎track for the same athlete falling while running at full speed and coming to rest on a running track made from a synthetic material.
The severity of many sports injuries is related to the magnitude of the acceleration that an athlete's body undergoes as it comes to rest, especially when joints (such as ankles and knees) are not... more
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Physics Math

09/13/23

A 0.9 kg cart is attached between two horizontal springs, of stiffness 3 N/m
A 0.9 kg cart is attached between two horizontal springs, of stiffness 3 N/m, which are attached at each end of a track. the cart has low friction wheels, so friction is negligible. The relaxed... more
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Physics

09/12/23

Scheduling a session
How do we schedule a tutoring session with a certain tutor? How do we place the appointment within the Wyzant calendar?
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Physics

09/12/23

Two protons are maintained at a separation of 943 nm. Calculate the electric potential due to the two particles at the midpoint between them. Then, find the magnitude and direction of the electric fie
Two protons are maintained at a separation of 943 nm. Calculate the electric potential due to the two particles at the midpoint between them. Then, find the magnitude and direction of the electric... more
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Physics

09/12/23

Please help with this Question!
Consider the following data set. What would this data set look like if the measurements were more precise? Time (mm:ss) Mass (g) 00:00 614 00:05 603 00:10 595 00:15 593 00:20 593
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Physics

09/12/23

Please help with this Question!
Consider the following data set. What would this data set look like if the measurements were more precise? Time (mm:ss) Mass (g) 00:00 614 00:05 603 00:10 595 00:15 593 00:20 593
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09/11/23

Quantum numbers of electrons in a given atom
How many electrons in a given atom can have the following quantum numbers:(a) n = 2, l = 0(b) n = 3(c) n = 4, l = 3, m = +2, s = -1/2(d) n = 3, l = 1, m = 0
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Physics

09/11/23

If particle motion does not require particle length and particle frequency, why does wave motion require wavelength and frequency?
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09/11/23

The maximum number of electrons in a given atom
What would be the maximum number of electrons in a given atom that can occupy each of the following: a) L shell b) 2py orbital c) 2d orbital d) 3d orbital?
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Physics

09/11/23

A ball is tossed straight up with an initial velocity of 48m/s. Exactly how fast is it going after 3.0 seconds

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Physics

09/11/23

A ball is thrown down from a certain height with an initial velocity of 3.3 m/s. Estimate how fast it is going after 2.9 seconds

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Physics

09/10/23

Air hockey si a game playedon a table. A puck slides freely on a cushion of air.
Air hockey si a game playedon a table. A puck slides freely on a cushion of air. opposing players strike the puck with a hand held round paddle. in one case while playing air hockey the puck comes... more
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Physics

09/07/23

How tall is the cliff if Bob threw the ball from exactly 5 ft above the cliff edge?
Bob is a pitcher, and knows that the fastest he can throw the ball is 𝑣0=91.0mph. Bob starts the stopwatch as he throws the ball (with no way to measure the ball's initial trajectory) and watches... more
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Physics

09/07/23

Electric forces
The figure below shows two identical small, charged spheres. One of mass 3.6 g is hanging by an insulating thread of length 20.0 cm. The other is held in place and has charge q1 = −4.9 µC. The... more
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Physics

09/06/23

Electric forces
Given the arrangement of charged particles in the figure below, find the net electrostatic force on the q2 = 14.33-µC charged particle. (Assume q1 = 5.15 µC and q3 = −25.18 µC. Express your answer... more
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Physics

09/06/23

Electric forces
Given the arrangement of charged particles shown in the figure below, find the net electrostatic force on the Q2 = 3.00 nC charged particle located at the origin. (Express your answer in vector... more
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Physics

09/06/23

Kinematics Motion

In the 1970 National Basketball Association championship, Jerry West made a 60 ft shot from beyond half court to lead the Los Angeles Lakers to an improbable tie at the buzzer with the New York... more
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Physics

09/06/23

Efficiency of heat engine
How does the efficiency of heat engine change when operating at different temperatures?
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Physics

09/06/23

formation of rainbows
How does the formation of rainbows relate to the refraction and dispersion of light?
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