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A 140 g ball moving at 0.35 m/s in the + x-direction is subject to a 0.20 N force in the - y-direction for 2.0 s
1- Find the magnitude of the ball's momentum change.
2- Find the ball's final speed
3- Find the angle between the ball's final velocity and the positive x direction
A stick is resting on a concrete step with 1/4 of its length hanging over the edge. what is the magnitude of the angular acceleration of the stick at the instant shown
A string trimmer is a tool for cutting grass and weeds; it utilizes a length of nylon "string" that rotates about an axis perpendicular to one end of the string. What is the length of the rotating string in meters
Two small metallic spheres, each of mass m = 0.25 g, are suspended as pendulums by light strings from a common point, what is the magnitude of the charge on each sphere
q1. a cube of ice is taken from the freezer at -8.7degc and placed in a 97 g aluminium calorimeter filled with 351 g of
A 450 cm3 block of aluminum (D = 2.7 g/cm3) is lowered carefully into a completely full beaker of water. What is the weight of the water
A trolley that moves along a horizontal beam is acted upon by two forces as shown. (a) Knowing that a 5 25°, determine by trigonometry the magnitude of the force P so that the resultant force exerted on the trolley is vertical. (b) What is the cor..
All the pulleys are frictionless, and the strings are massless. Illustrate what are the tensions in all the strings and what are the acceleration of the masses?
A mass of 0.5 kg is attached to a massless spring with a spring constnt of k = 600 N/m. What was the incident speed of the second mass
An x-ray photon of 0.13 nm strikes a metal and undergoes Compton scattering of the electrons in the metal. find the wavelength of the scattered photon
A 1.5 ?F capacitor is charged to 57 V by a battery, which is then removed. At time t = 0, Calculate the potential difference VL(t) across the inductor as a function o
q1. an underwater diver sees the sun 56 above parallel.how high is the sun above the horizon to a fisherman in a boat
A projectile is set 8000m horizontally from the edge of a bluff that drops 100m down from the level of projectile. Find the angle it makes when it hits the ground
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