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Question: A sled of mass 4.45 kg is coasting along on a frictionless ice-covered lake at a constant speed of 1.31 m/s. A 1.12-kg book is dropped vertically onto the sled.
Part A: At what speed does the sled move once the book is on it?
I want help to find at what speed the sled move does once the book is on it.
A sprinter of mass 66.2 starts his race by pushing horizontally backward on the starting blocks with a force of 190 Determine his initial acceleration as he leaves the blocks
Electrons accelerated by a potential difference of 12.86 V pass through a gas of hydrogen atoms at room temperature. Calculate the wavelength of light emitted with the longest possible wavelength
What must the charge (sign and magnitude) of a 1.49-g particle be for it to remain stationary when placed in a downward-directed electric field of magnitude 660N/C?
A 13? F capacitor is joined in series with a 35? F capacitor, What is the potential difference across the first capacitor
An airplane flying at a distance of 30 km from a radio transmitter receives a signal of intensity 25 µW/m2. The transmitter radiates uniformly over a hemisphere. Compute the transmission power of the transmitter. What is the amplitude of the magnetic..
Why and howif you have 2 functions of E (fermi and density of states) and you compute and plot it versus E-Ec. Is it best to use Matlab or excel in the computations?If someone can explain how to go about solving tis I would appreciate it.
A beam of light is traveling in air and strikes a material. The angles of incidence and refraction are 60.3° and 47.5°, respectively. Obtain the speed of light in the material
An 80.0 kilogram skydiver jumps out of a balloon at an altitude of 1060 meter and opens the parachute at an altitude of 170 meter. find the speed of the diver when he lands on the ground
The bright core of a certain Seyfert galazy had a luminosity of 10^10 L. The luminosity increased by 100% in a period of 18 months. How does this compre to the diameter of the Milky Way
A 80 kg diver steps off a 13 m tower and drops from rest straight down into the water. If he comes to rest 4.1 m beneath the surface, find out the average resistance force exerted on him by the water.
A molecule of DNA (deoxyribonucleic acid) is 2.26 µm long. The ends of the molecule become singly ionized: Determine the effective spring constant of the molecule
An object is lifted vertically 2m and held there. If the object weighs 30N, how much work was done in lifting it. Describe it briefly.
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