Foundations of Physical Science
... quantity having both magnitude and direction • In this case the quantity is force ...
... quantity having both magnitude and direction • In this case the quantity is force ...
Lecture 1 units v4
... • Water is flowing at a velocity of 30 meters per second from a spillway outlet. What is this speed in feet per second? • Steps: (1) write down the value you have, then (2) select a conversion factor and write it as a fraction so the unit you want to get rid of is on the opposite side, and cancel. ...
... • Water is flowing at a velocity of 30 meters per second from a spillway outlet. What is this speed in feet per second? • Steps: (1) write down the value you have, then (2) select a conversion factor and write it as a fraction so the unit you want to get rid of is on the opposite side, and cancel. ...
Chapter 3 Problem Set
... W = F X d = mgh = 686 N X 370 m = 253,820 N*m = 253,820 J (joules) Before we can solve for power we have to convert the time (25 min) into seconds: t = 25 min X 60 sec/min = 1,500 sec Now solving for the power: P = W/t = 253,820 J/1500 sec = 169 w (watts) 24. A boy throws a 4-kg pumpkin at 8 m/sec t ...
... W = F X d = mgh = 686 N X 370 m = 253,820 N*m = 253,820 J (joules) Before we can solve for power we have to convert the time (25 min) into seconds: t = 25 min X 60 sec/min = 1,500 sec Now solving for the power: P = W/t = 253,820 J/1500 sec = 169 w (watts) 24. A boy throws a 4-kg pumpkin at 8 m/sec t ...
TAKE OUT SWING EXAMPLE IF DOING PIG LAB
... The effect of the Sun is not as great as the Moon’s effect Sun’s pulls on earth 180x more than moon does but only has ½ the effect. So, why does moon have more effect on tides? ...
... The effect of the Sun is not as great as the Moon’s effect Sun’s pulls on earth 180x more than moon does but only has ½ the effect. So, why does moon have more effect on tides? ...
1) 200 km/hr 2) 100 km/hr 3) 90 km/hr 4) 70 km/hr 5) 50 km/hr From
... 3) FN < mg (but not zero) ...
... 3) FN < mg (but not zero) ...
Circular Motion - Ch 7 #2
... 20. A racecar travels in a circular track of radius 200m. If the car increases its speed with constant linear acceleration from 80m/s to 95m/s in 10s. (a) Find the constant angular acceleration and (b) the angle the car moves through in this time. 22. A car moves down a straight highway at 24m/s. It ...
... 20. A racecar travels in a circular track of radius 200m. If the car increases its speed with constant linear acceleration from 80m/s to 95m/s in 10s. (a) Find the constant angular acceleration and (b) the angle the car moves through in this time. 22. A car moves down a straight highway at 24m/s. It ...
Physics Questions
... 4. A moving van and a small car are traveling in the same direction on a two-lane road. The van is moving at twice the speed of the car and overtakes the car. The driver of the car sounds his horn, frequency = 440 Hz, to signal the van that it is safe to return to the lane. Which is the correct stat ...
... 4. A moving van and a small car are traveling in the same direction on a two-lane road. The van is moving at twice the speed of the car and overtakes the car. The driver of the car sounds his horn, frequency = 440 Hz, to signal the van that it is safe to return to the lane. Which is the correct stat ...
Net Force: a resultant force acting on object
... Objects in Equilibrium Objects that are either at rest or moving with constant velocity are said to be in equilibrium Acceleration of an object can be modeled as ...
... Objects in Equilibrium Objects that are either at rest or moving with constant velocity are said to be in equilibrium Acceleration of an object can be modeled as ...
AP® Physics C – Mechanics
... the previous class. The remainder of the time usually involves the explanation of concepts through discussion, demonstration, and derivations. Students then get into their groups to discuss and solve the problems that are presented to them. Discussion and questions are always encouraged between the ...
... the previous class. The remainder of the time usually involves the explanation of concepts through discussion, demonstration, and derivations. Students then get into their groups to discuss and solve the problems that are presented to them. Discussion and questions are always encouraged between the ...
Newton`s 1st Law of Motion
... This 52 N saucer sled is pulled across a cement sidewalk with a force of 18 N. What is the coefficient of friction between the sled and the sidewalk? ...
... This 52 N saucer sled is pulled across a cement sidewalk with a force of 18 N. What is the coefficient of friction between the sled and the sidewalk? ...
Newton`s Laws - schoolphysics
... (b) the acceleration of the train (c) the force of truck 6 on truck 7 (d) the force of truck 9 on truck 8 4. A stone of mass 500 g is thrown with a velocity of 15 ms-1 across a frozen surface of a lake and comes to rest in 40 m. Calculate: (a) the acceleration (b) the frictional force between the st ...
... (b) the acceleration of the train (c) the force of truck 6 on truck 7 (d) the force of truck 9 on truck 8 4. A stone of mass 500 g is thrown with a velocity of 15 ms-1 across a frozen surface of a lake and comes to rest in 40 m. Calculate: (a) the acceleration (b) the frictional force between the st ...
Work and Energy
... both kinetic and gravitational potential energy. ET = KE + PE When an object is in motion, the total mechanical energy remains constant all along the path between the initial and final points. This law holds true if the net work done by external nonconservative forces is zero. In situations where he ...
... both kinetic and gravitational potential energy. ET = KE + PE When an object is in motion, the total mechanical energy remains constant all along the path between the initial and final points. This law holds true if the net work done by external nonconservative forces is zero. In situations where he ...
What is a Projectile - School of Physical Education
... acceleration for projectiles, can be easily understood by a cannonball shot horizontally from a very high cliff at a high speed. And suppose for a moment that the gravity switch could be "turned off" such that the cannonball would travel in the absence of gravity? What would the motion of such a can ...
... acceleration for projectiles, can be easily understood by a cannonball shot horizontally from a very high cliff at a high speed. And suppose for a moment that the gravity switch could be "turned off" such that the cannonball would travel in the absence of gravity? What would the motion of such a can ...
Ph211_CH6_worksheet
... 3) The 50 kg box is pulled up a 30o incline by a 1000 N force against a kinetic friction force. The coefficient of kinetic friction between the box and the inclined plane is k = 0.25. a) Draw a free-body diagram for the box. ...
... 3) The 50 kg box is pulled up a 30o incline by a 1000 N force against a kinetic friction force. The coefficient of kinetic friction between the box and the inclined plane is k = 0.25. a) Draw a free-body diagram for the box. ...
more_1st_week
... Computer does these calculations in the base 2 number system so it is actually done as outlined above but with 1’s and 0’s. Example shows the philosophy of how it is done. Alternate approach ...
... Computer does these calculations in the base 2 number system so it is actually done as outlined above but with 1’s and 0’s. Example shows the philosophy of how it is done. Alternate approach ...