Questions tagged 'Physics'
312 questions
Oct 25, 2024
Converting g/cm3 to lb/ft3?
I have searched extensively online and reviewed my chemistry and physics textbooks, but I still cannot find a clear conversion factor to convert grams per cubic centimeter (g/cm³) to pounds per cubic...
Oct 25, 2024
A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bold falls off the?
A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bolt falls off the side of the rocket. The bolt hits the ground 6.0 seconds later. What was the rocket's acce...
physics ch 429 #32 wavelength q?
Hydrogen gas absorbs light with a wavelength of 103 nm. What wavelengths can be observed in the emission spectrum afterward?
Is it Physically possible for a Nerd to strangle a person to death using his legs?
Is it physically possible for a person to strangle someone to death using their legs? Has this ever occurred in real life? From a physics perspective, is such an action feasible?
physics voltage question?
The circuit diagram features a lightbulb with a resistance of 1.4Ω. Let ΔVab represent the magnitude of the potential difference between points a and b. I have the following questions: What is the va...
Oct 22, 2024
A 1.50m -long, 550g rope pulls a 7.00kg block of ice across a horizontal, frictionless surface. Physics Help?
A 1.50 m long, 550 g rope pulls a 7.00 kg block of ice across a horizontal, frictionless surface. The block accelerates at 2.20 m/s². How much force is exerted forward on (a) the ice and (b) the rope?
A ball with a horizontal speed of 1.25m/s rolls off a bench 1.00m above the floor…(additional info. given)?
A ball with a horizontal speed of 1.25 m/s rolls off a bench that is 1.00 m above the floor. A) How long will it take for the ball to hit the floor? B) How far from the point on the floor directly b...
Physics: A cardboard box rests on the floor of an elevator. The box has a mass m = 2.5 kg and the elevator has an upward acceleration of a.?
A cardboard box rests on the floor of an elevator. The box has a mass of m = 2.5 kg, and the elevator is accelerating upward with an acceleration of a. A) Write an expression for the sum of the forces...
A centrifuge rotor has a moment of inertia of 3.20 10-2 kg·m2.?
A centrifuge rotor has a moment of inertia of 3.20 x 10^-2 kg·m². How much energy is required to accelerate it from rest to a speed of 8000 revolutions per minute (rpm)?
Determine the maximum height above ground, hmax in meters, attained by the golf ball.?
A famous golfer strikes a golf ball from the ground, imparting an initial velocity described by the vector ( \mathbf{v_0} = v_{0x} \mathbf{i} + v_{0y} \mathbf{j} ). For this scenario, the initial hori...