Questions tagged 'Physics'
312 questions
Tarzan swings on a 30.0 m long vine initially inclined at an angle of 37.0º with the vertical. What is his sp?
Tarzan swings on a vine that is 30.0 meters long, initially inclined at an angle of 37.0º with the vertical. There are two scenarios to consider: A. He starts from rest. B. He starts with an initial...
Please help me with this physics problem, it is not making sense to me?
I would appreciate your assistance with this physics problem, as I am having difficulty understanding it. To warm up for a match, a tennis player strikes a stationary 57.0 g ball vertically with her...
Physics Help!?
A boy ties a 58 g tennis ball to the end of a string that is 0.65 m long and whirls the ball in a horizontal circle above his head. The boy applies a force of 5.2 N on the string to keep the ball movi...
physics help?! Find the box’s speed vf at 2.0s after you first started pushing on it.?
A box with a mass of 3.1 kg slides down a rough vertical wall. The gravitational force acting on the box is 30 N. When the box reaches a speed of 2.5 m/s, you begin pushing on one edge of the box at a...
Feb 02, 2025
NEED HELP FAST PHYSICS?
I need help with a physics problem involving a simple series circuit that includes a 190 Ω resistor, a 21.0 V battery, a switch, and a 2.00 pF parallel-plate capacitor (initially uncharged) with the p...
C)A chain lying on the ground is 10 m long and its mass is 80 kg. How much work (in J) is required to raise on?
I need help with a calculus problem that I find challenging. A chain that is 10 meters long and has a mass of 80 kg is lying on the ground. What amount of work, measured in joules (J), is required to...
Jan 31, 2025
Calculate the rms speed of an oxygen gas molecule, o2, at 29.0 ∘c . express your answer numerically in meters per second.
Calculate the root mean square (rms) speed of an oxygen gas molecule (O₂) at a temperature of 29.0 °C. Please express your answer numerically in meters per second.
Physics Decay Problem?
A neutron at rest undergoes decay, breaking up into a proton and an electron. This decay releases energy, which manifests as kinetic energy of the proton and electron. Given that the mass of a proton...
A radio telescope has a parabolic surface as shown below. If the telescope is 1 m deep and 12 m wide, how far is the focus from the vertex?
A radio telescope features a parabolic surface, as illustrated below. Given that the telescope is 1 meter deep and 12 meters wide, how far is the focus located from the vertex of the parabola?
Select the statement that shows the correct relationship between current, voltage, and power.?
Select the statement that accurately describes the relationship between current, voltage, and power: a. A decrease in power will occur if current is increased while voltage remains constant. b. An in...