9. A large box is pulled by a person with a force as shown in the figure. The angle 8 = 21°. What is the magnitude of kg and the coefficient of static friction the force that is needed to start the box moving if the mass of the box is m = 26.0 between the box and the floor is 0.47? sc2368 2 X 157 N 368 sc2208 sc236 sc2368 c2368 sc2368 sc2368 sv 2368 sc2568 sc2368 sc 26 sc2338 sc2368 sc2368 sco * 58 sc2368 68 sc2368 sc2368 sc2368

Q: If you drop a rock from a brigdge, how far does it fall in three seconds?  A: 3 meters B: 9.8 meters…

A: Distance travelled is given by,

Q: How far would a horse that rides 9.3 m/s travel in 5.3 minutes ?

A: Speed , V = 9.3 m/s Time , T = 5.3 min To find = Distance travelled

Q: What is the average velocity of the snail?

A: Given data:   The distance travel by snail is: D = 7.35 cm =0.0735 m The time taken by the snail to…

Q: Find the distance covered Speed=23 km/hr Time=3 hr

A: Given, speed, v = 23 km/hr time, T = 3 hr

Q: Find the distance covered Speed=2 km/hr Time=1 hr

A: Given data : Speed=S Time=t   To find : Distance

Q: What was the average speed in km/h of a car that travels 702 km in 6.2 h? km y =

A: total distance travel d = 702 km Total time taken t = 6.2h

Q: Find distance covered Speed=20 km/hr Time=1 hr

A: Write the given values with the suitable variables. v=20 km/hrt=1 hr Here, v is the speed and t is…

Q: What is the total distance that an object travels if it is moving at 117 m/s in 5 s?

A:

Q: Find the distance covered Speed-23 km/hr Time=3 hr

A: Given data : Speed=S Time=t   Required : Distance

Q: my pace factor is 0.72, how many strides to I need to do to cover a distance of 189.1m?   Round your…

A: Given  pace factor =0.72 m Required strides required to cover a distance of 189.1 m

Q: 31. A car is travelling at the speed of 38.0 m/s on an interstate highway where the speed limit is…

A:

Q: Determine the magnitude and coordinate direction angles of the resultant force.

A: Step1: Given data: The magnitude of force on AB is |F1|=20 lb. The magnitude of force on AC is…

Q: A marble DROPPED from a bridge and strikes the water in 5 seconds. Calculate the height of the…

A:

Q: which terms represent scalar quantities

A: The physical quantities which have only magnitude are known as scalar quantities. It is fully…

Q: A father is drivinf to pick up his daughter in school. For 15 mins he drove at 57 m/s and 30 mins at…

A:

Q: car move at 19m/s then slam on brakes, slow down to 8.4m/s leaving 24.6 m long skid mark. what was…

A:

Q: An airplane flying at a constant speed of 1000 km/h executes a slow, level turn that changes its…

A: Given: The plane is moving at a constant speed of 1000 km/h. The direction of the plane changes from…

Q: Explain the right-hand rule in a coordinate system.

A: We have to explain the right-hand rule in a coordinate system.

Q: A cannonball is launched from the ground at a velocity of 125 m/s and it stayed in the air for 7.46…

A: Given:initial velocity of the ball, v = 125 m/stime of flight, T = 7.46 sAsked:Range of the ball, R…

Q: Calculate the total displacement if a toy car starts at 0, moves 5 cm to the left, then 8 cm to the…

A: Given : A toy car starts at 0 , moves 5 cm to the left, then 8 cm to the right and then 3 cm to the…

Q: A shoe was dropped from a building and passes the third floor in 0.411 seconds. If each floor of the…

A: Solution: given that t = 0.411 m h = 4.5 m each

Q: What are the units of acceleration?

A: Acceleration is defined as the rate of change of velocity.

Q: John dropped  a  ball  from the  window  of  a  five  story   building and  it  took  20.0  seconds…

A: Given value--- time = 20 sec. We have to find--- height of building?

Q: During takeoff, an airplane goes from 0 to 38 m/s is 8 5. What is its acceleration ? Calculate…

A: Answer Given  Initial velocity u = 0 m/s Final velocity v = 38 m/s Time t = 8 s We have to find the…

Q: A shoe was dropped from a building and passes the third floor in 0.411 seconds. If each floor of the…

A: The height above the ground from which the shoe is dropped can be determined by the second…

Q: what is the orientation, is its height 10cm and orientation inverted or upright

A: Object distance =12 cm Focal length=4 cm  Object height =20 cm

Q: A stone is thrown vertically upward from the ground with a velocity of 48.1 ft. per second. One…

A: First we need to find at which time they are at equal height which we get by equating both heights.…

Q: What was the average speed in km/h of a car that travels 510 km in 3.8 h? km y = h

A: Given data The distance is d=510 km The time is t= 3.8 h   The average speed is, v¯=dt

Q: Find distance covered Speed=75 km/hr Time=1 hr

A: Given data : Time=t Speed=S   Required : Distance

Q: give an overview about freefall motion and some tips on how to solve word problems related to it.

A:

Q: A train travels 120 km in 2 hours and 30 minutes. What is its average speed in meters/second? Show…

A: The average speed is defined as the ratio of the total distance covered to the total time taken.

Q: examples in Horizontal Projection solving for time

A: Time of flight of projectile with horizontal projection  T (2h/g)1/2

Q: Rosie is at the top of a hill. At the bottom of the hill, she has a velocity of 46.48 m/s. How high…

A:

Q: Richie climbs up 5 stairs every second and then climbs down 2 stairs over the next second. How many…

A: Number of steps climbed by Reena every second = 5 stairs Number of steps climbed down by Reena the…

Q: Find speed of train Distance 500 km Time=5 hr

A:

Q: Describe motion in one dimension?

A: Given:Describe motion in one dimension.Now,When the position of object changes on a straight line…

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”