a person lifted the barbell from the ground. the mass of the barbell was 100 kg. it took him 0.5 seconds to move the barbell through a vertical displacement of 1.5 m. what was the average power output during the lift (g
when refrigeration is being charged with a vapor from a refrigerant sylinder that is not being warmed, what will happend to the pressure of the cylinder
if the mass of the crate is doubled but the initial velocity is not changed, what distance does the crate slide before stopping?
the maximum value of the electric field in an electromagnetic wave is 1.5 v/m. what is the maximum value of the magnetic field associated with this wave?
if you set the air pressure of the tank to 35 psi for a leak test and find that 24 hours later the tank's pressure has increased, what could've happened?
Use the properties of geometric series to find the sum of the series. For what values of the variable does the series converge to this sum?.
A light ray travels through water and reflects off a glass surface back into the water. How do the phases of the incident light and the reflected light compare?.
Write a function named partf that takes in as a parameter one list of numbers and determines if two of the numbers in the list add to 2026. If they do, return the product of the two numbers, otherwise return false.
If a steel band were to fit snugly around the Earth's equator at 25°C, but then was heated to 55°C, how high above the Earth would the band be (assume equal everywhere)?
The following passage explains how the fundamental forces were discovered. Which sentences state incorrect information? Select all that apply. A) However, it was merely a curiosity until about the year 1000 when electrical experiments were first conducted by a number of researchers in and around Baghdad that showed that lightning is a form of electricity. B) Its mathematical representation was produced by Isaac Newton. C) Electricity was experienced through "electric shocks" and certain electric fish. D) The strong nuclear, weak nuclear, and electromagnetic forces are all mathematically described by the standard model. E) Magnetism has been known about since before written history. F) Electromagnetism consists of two phenomena: magnetism and electricity. G) People have known about gravity as a force between massive objects since before written history, so no one knows who first discovered it. H) These experiments culminated in Maxwell's mathematical representation. I) The atom's strong and weak nuclear forces were discovered at the same time when we were first able to peer into a nucleus.
Notice that F is approximately the same for all the rows. This force is also just the weight of the hanging mass, F = mhangg. Given your average F, find the value of g. b. How does this compare with the accepted value of 9.8 m/s 2 ?
In the sunlight, the shadow of a building has fuzzy edges even if the building does not. Is this a refraction effect? explain.
what are the maximum and minimum noon sun angles at your latitude, and what are the dates when they occur?
an absorption spectrum for kmno4 will be generated in e9 experiment. what will be reported on the x- axis?
if a wire 375 feet long has 500 ohms of resistance, what is the resistance of 1,000 feet of the same wire?
a 25-g ball is released from rest 80 m above teh surface of the earth. during the fall the total thermal energy of the ball and air increases by 15 j. just before it hits the surface its speed is.
