PLEASE ANSWER ALL QUESTIONS THROUGHLY TO RECIEVE CREDIT 2) An object is dropped

Question

PLEASE ANSWER ALL QUESTIONS THROUGHLY TO RECIEVE CREDIT

2) An object is dropped from rest into a pit , and accelerates due to gravity at roughly 10 m/s/s. It hits the ground in 5 seconds. A rock is then dropped from rest into a second pit, it hits the ground in 10 seconds. How much deeper is the second pit, compared to the first?

Given A =i + 3j and B =2i +4j , find the direction of C =5A -B relative to the x-axis. The figure shows two 1.0 kg blocks connected by a rope. A second rope hangs beneath the lower block. Both ropes have a mass of 250 g. The entire assembly is accelerated upward at 3.0 m/x2 by force E. What is the tension at the top end rope 1? In Einstein's famous equation E = m. c2, describing the relationship between matter and energy, the units for E are In Einstein's famous equation E = m . c2, describing the relationship between matter and energy, the units for E are The figure shows an acceleration-versus-forces graph for three objects pulled by rubber bands. The mass of objects 2 is 52 kg. What are the masses of objects 1 and 3?

Explanation / Answer

S1 =ut+0.5at2

=0.5*10*52

=125m

S2= ut+0.5at2

  =0.5*10*102

   =500

S2-S1=375m

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