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Q1. A rifle with a barrel length of 60 cm fires a 12 g bullet with a horizontal speed of 360 m/s. The bullet strikes a block of wood and penetrates to a depth of 11 cm.
How long does it take the bullet to come to rest?
Q2. How much work should Denise do to drag her basket of laundry of mass 6.0 kg a distance of 3.0 m along a floor, if the force she exerts is a constant 50.0 N at an angle of 70.0° with the horizontal?
An alpha particle (m = 6.7 ´ 10-27 kg, q = +3.2 ´ 10-19 C) has a speed of 20 km/s at point A and moves to point B where it momentarily stops. Only electric forces act on the particle throughout this motion. Find out an electric potential difference V..
A 12 kg mass starts from rest and slides down an inclined plane 8.0 10-1 m long in 0.9 s. What net force is acting on the mass along the incline?
What is mass of the block of ice
Each is afraid that one vine will break; as a result they grab each other and hang on. They swing upward together, reaching a point where the vines make an angle of 22.1° with the vertical. Find the value of the ratio m/M.
He would like a prescription for contact lenses to serve the similar purpose. What is the correct contact lens prescription, in diopters.
Find out the minimum sound intensity
Explain functionalism, conflict theory and interactionism
Suppose a chimpanzee swings through the jungle on vines. If it swings from a tree on a 13 m long vine that starts at an angle of 45 degrees, what is the chimp's velocity when it reaches the ground.
Horse races once around a circular track in a time of 176 s, with a speed of 26 m/s. What is the radius of the track.
How to find out speed of the block
What is the maximum displacement of the bridge deck?
What is the magnitude of displacement
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