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Question: Consider two objects of different mass: m1 = 2.5 kg and a m2 = 1.1 kg.
a) The same horizontal net force F is applied to each object, pushing it from rest the same distance
b) Which mass has the higher kinetic energy after traveling the distance d?
c) Which mass has the higher velocity after traveling the distance d?
d) Which mass travels the distance d in the shortest amount of time?
An incoming 0.14 kg baseball has a speed of 45 m/s. The batter hits the ball, giving it a speed of 60 m/s. If the contact time is 0.040 s, what is the average force of the bat on the ball?
What are vertical and horizontal components of the ball's momentum immediately after striking the crossbar. what is an average acceleration of the ball during this time interval.
How many half-lives would have to elapse for a sample of a radioactive isotope to decrease from an activity of 160 cpm to an activity of 5 cpm?
Compute the expected sea level rise for the projected 4°C mean global temperature rise anticipated by 2100. The average depth of the ocean is 3790 m, but you will not consider this whole depth to be expanding. Instead you will only consider the ex..
a 3 kg mass is subjected ti multiple forces and remains motionless. the gravitational force pulls the mass downward. a
A spaceship with an earth weight of 3430 N is sent to Mars, which has radius, RM = 3.40 × 106 m, Find the weight of the spaceship on the Martian surface
A 2.00 kilogram block is held in equilibrium on an incline of angle theta= 60 degree by a horizontal force F applied in a horizontal direction. Find the normal force exerted by the incline on the block
A coin 1 cm in diameter is embedded in a solid glass ball of radius 20cm. Find the position of the image of the coin and the height of the coin's image
what is the minimum potential difference that must be applied to an x-ray tube to knock a k-shell electron completely
A mass spectrometer has an adjustable magnetic field. When themagnetic field is 7.000e-2 T, a singly ionizedhydrogen atom (a proton) will strike the detector at a particularlocation. Suppose a triply-ionized carbon 12 atom, whose mass is bydefinit..
A 751 kilogram satellite is in a circular orbit about the Earth at a height above the Earth equal to the Earth's mean radius. Determine what is the gravitational force acting on it
A copper vat is 44m long at 20 degrees Celcius. How long will it be when filled at boiling water (at one atmosphere of presure) This is needed at the nearest three decimal places.
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