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You're driving on the freeway going 90km per hour and it starts to rain. The raindrops make an angle of 40 degrees with the
1 answer
535 views
Are the DNA template strand and the mRNA sequences similar, or complementary?
Are the DNA coding strand and the mRNA sequences
0 answers
549 views
A person is running from a cliff into a pond. The cliff has a height of 10.0m above the water but it is not strictly vertical,
1 answer
633 views
It is a dark clear night. The air temperature is 15◦ C. A body is discovered at
midnight. Its temperature is 23◦ C. One hour
1 answer
578 views
A positive charge with Q1= +210-6 C and a negative charge Q2 = -1×10-6 C are located at an equal distance 0.1m from the
0 answers
583 views
A 2 kg block with initial velocity +2m/s collides with a stationary 6 kg block with initial velocity 0m/s on a frictionless
1 answer
613 views
A 100 kg car is traveling at 20m/s over the top of a circular hill as shown below. The radius of the circle is 200 m.
What force
1 answer
879 views
A 2 kg block is being pulled by a rope with a tension of 3N at an angle of 45° as shown. The coefficients of friction are
1 answer
441 views
A 0.035 kg spherical oil droplet has charge of +1×10-7C. A uniform electric field is acting upwards as shown below. What
1 answer
513 views
A 1000 kg car is initially at rest. If the motor does 10,000J of work on the car, what is the car’s final speed? (Neglect
1 answer
842 views
A 5kg block has an initial velocity of 15 m/s and is sliding along a surface with friction. Eventually the block comes to rest.
0 answers
480 views
how many atoms of magnesium are in the magnesium molecule?
1 answer
616 views
