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Answer all of them please Essay (3 Questions) Type your answer into the field below. 13. From rest, a small pebble is dropped from the
Answer all of them please
Essay (3 Questions) Type your answer into the field below. 13. From rest, a small pebble is dropped from the top 20 POINTS of a cliff. How far will the pebble have fallen after 12 seconds? (assume no air resistance). BIUS Normal X2 X2 fx Enter your response hereapp.subject.com 14. You throw a water balloon upward with an initial 20 POINTS velocity of 5.5 m/s at an angle of 48 degrees above the horizontal. How far will this balloon have traveled horizontally after 0.65 seconds? BIUS Normal X2 X2 fx Enter your response here38% . . . app.subject.com @ C + 88 9. You push a box north with a 15 N of force. 4 POINTS Someone else is pulling the box west with 42 N of force. What is the magnitude of the resultant force acting on this box? 39 N 45 N 57N 27 N 10. "A mass accelerates if a force is applied, 4 POINTS causing the net forces acting on the object to become unbalanced. For example, the force caused by braking as a roller coaster slows down." This is a restatement and application of which law? Newton's Second Law Newton's Fourth Law Newton's Third Law Newton's First Law5. You throw a water balloon into the air and it 4 POINTS makes the following path. At which points will the water balloon have the same horizontal velocity? B C D Point B and Point C ts Point C and Point D ts Points A, B, C, and D Point A and Point C 6. What is a TRUE statement about forces? 4 POINTS O All forces must involve objects in contact. O There must be a force acting on all objects An object will stay at rest or moving at constant speed in one direction unless a non-zero net force acts on it. O Forces are vector quantities.38% . . . app.subject.com + 88 11. A marble has a 3 N force acting on it and it 4 POINTS remains at rest. Which statement is a correct conclusion about this situation? O We would need to know the marble's mass to answer this question. O The 3 N force is not large enough to accelerate the marble. At least one other force is present. O It is impossible for an object to remain at rest while a force acts on it. 12. Which of the following free body diagrams 4 POINTS represents the scenario: A box is pushed across a flat and rough surface, making it accelerate forward. appX 4. You throw a water balloon into the air and it 4 POINTS makes the following path. At which point will the water balloon have a zero vertical velocity? B C D O Point C Point D Point B Point A 5. You throw a water balloon into the air and it 4 POINTS makes the following path. At which points will the water balloon have the same horizontal velocity?app.subject.com 15. From rest, a 60.0 kg box is pushed across a rough 20 POINTS surface with a horizontal force of 270N while it also experiences 180N of friction force in the opposite direction resisting the motion of the box. 1. Find the acceleration rate of this box. 2. What speed must the box reach after being pushed 2.0 m? BIUS Normal X2 X2 fx Enter your response here1. Which object may be at rest or moving with 4 POINTS constant velocity? ed An object with unbalanced forces acting on it O An object with a non-zero net force 6 N 48 pts 3 N 60 pts 14N 6 N 6 N AN 2. A skateboarder skates forward 2 km along a 4 POINTS perfectly straight line, turns around and rides backwards -3 km along the same perfectly straight line. What is their displacement during this time interval? 1 km O 5 km O -5 km Click HERE for homework help or O -1 km general customer support!38% app.subject.com C + 12. Which of the following free body diagrams 4 POINTS represents the scenario: A box is pushed across a flat and rough surface, making it accelerate forward. eted Fopp 48 pts 60 pts Fapp O F app O F opp Click HERE for homework help or general customer support!3. Which diagram is not a correct representation 4 POINTS of the component vectors of the black vector? X ted y X 48 pts O y 60 pts y O X y X Click HERE for homework help or7. Which below setup accurately converts 5 ft/s 4 POINTS to cm/min? 5 ft O X 12 in 2.54 cm 60 s X X 60 s 1 ft 1 in 1 min 5 ft 12 in 1 min O X X 2.54 cm X 1 s 1 ft 1 in 60 s 5 ft 2.54 cm 60 s O 1 s X 12 in X X 1 ft 1 in 1 min 5 ft X 2.54 cm 60 s 1 s X 12 in O 5 ft 1 in X 1 min 8. A soccer player kicks a ball with his or her 4 POINTS foot. The action force is the impact of the foot with the ball. The reaction force is: The ball pushing back on the foot The gravity force pulling down on their foot The friction force against the ball from the field The normal force from the ground acting on the standing food 9. You pushStep by Step Solution
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