3. You are on a building with a snowball. You see your favorite Physics teacher walking by about 10 m away from you. How fast must you throw the snowball to hit him (assume you hit him on the foot and you throw the snowball horizontally from a height of 5.5 m).

Q: 20. A car initially traveling North at 5 m/s and has a constant acceleration of 2m/s2 northward.…

A: Given  Initial velocity of car = 5 m/s in North direction constant acceleration = 2m/s2 northward…

Q: The velocity time (v-t) graph is shown in Figure.1. Evaluate 25 (a) the acceleration for Line-A (b)…

A:

Q: A cat chases a mouse across a 1.6 m high table. The mouse steps out of the way, and the cat slides…

A: Given data:  Height of table (h) = 1.6 m Cat slides off the table  Horizontal displacement (d) = 1.2…

Q: 6. A graph of v(t) is shown for a lion in the figure. (a) What is the lion's average velocity for…

A: Average velocity = area under the curve from t =0 to t=4 sec..Average velocity = .

Q: If a car has zero acceleration must it’s velocity also be zero? Explain

A: Acceleration is define as rate of change of velocity with respect to time.so if acceleration is zero…

Q: Can anything be said about the acceleration of a particle that is moving at a constant speed? Give…

A: Acceleration of an object is defined as its change in velocity with respect to time.

Q: If an object starts at = 0 with zero velocity and has a constant acceleration of 8 m/s², what is its…

A: Given Initial velocity of an object is v0= 0 Acceleration of an object is a=8 m/s^2 Time taken is t=…

Q: In m/s?, what is the acceleration when t = 7.5 sec? Express your answer as an integer, not as a…

A: The acceleration at a time in velocity-time graph represents the at that time.

Q: 4. The graph below shows the velocity vs. time motion for a car. How far does the car travel in the…

A:

Q: Your grandfather had to walk to school uphill, both ways, but one way he went at 5.0 km/hr, and the…

A: Given: Speed of the walking to school from home  v1 = 5.0 km/hr  Speed of the walking to home from…

Q: An object travels 3 m east and 4 meters south in 7 seconds, what is the magnitude of the average…

A: Given data:  Object travels 3 m East then 4 m South Time (t) = 7 s Required: The magnitude of…

Q: Rosana takes her puppy for a walk, but they can't stray too far from home or the puppy gets nervous!…

A: Speed = Total distance /Total time

Q: The graph shows Vx versus t for an object moving in a straight line. What is the average speed fromt…

A: From the graph, it can be inferred that the object is moving with a constant speed from t=0 s to t=5…

Q: By how many decibels does the intensity level of a sound increase when you increase the the…

A: Given value--- intensity of source of sound increased by factor 2.97 . We have to find--- By how…

Q: When solving a uniform motion problem , how does creating a table help you?

A: Uniform motion problem Uniform motion issues can be quickly transformed into formulas of distance,…

Q: Refer to the table Position of the Car at Various Times Position t(s) x(m) A 30 В 10 52 C 20 38 30 E…

A:

Q: A particle moves along the x axis according to the equation x(t) = 4t + 3t, where x is in meters and…

A: given that x = 4 t + 3 t3   average velocity = x2 - x1 / t2 - t1 x(3) = 4 x3 + 3 x 33 = 12 + 81 = 93…

Q: 4) Determine the velocity at t=13 sec C. at 13.0 seconds 50+ 40 어 30- 20- 13 s, 36 m: 10- 0- 10 15…

A: The slope of a position-time graph represents the velocity of the object. Find the slope for points…

Q: 3. The explorer took 60 s, 130 s, and 70 s to travel the 30 m, 20 /2 m, and 140 m north distances,…

A:

Q: A bullet fired into a tree trunk strikes it with an initial velocity of 300 m/s. If the bullet…

A: Given : Initial velocity of the bullet, u =300 m/s Final velocity of the bullet, v = 0 m/s Distance…

Q: Can an object have a northward velocity and a southward acceleration? Explain.

A: We need to establish if an item can accelerate southward and go northward.

Q: If a car traveling at 60.0 km/h [S] stops in a time of 3.50 s, its acceleration is:       A)  4.77…

A: Given that  initial velocity of car (u)   u=60 Kmh⇒u=60×100060×60 ms⇒u=16.66 ms time (t) t=3.50 s

Q: Graph 1: x(m) 10 8 6 4 2 0 Part 1 -The two graphs below represent two objects travelling along a…

A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…

Q: 1. What is the acceleration of a rock thrown straight upward on the way up? At the top of its…

A: Given scenario: A rock is thrown upward.

Q: 4. 5 6. 9 T(s) What is the object's average velocity between t = 0 and t = 3 s? 1 m/s 2 m/s 9 m/s 3…

A: Average velocity is the total displacement upon total time.  For time upto 3s, we have to calculate…

Q: What is the path length of the following path? A (0, 0) to B (5, 0) to C (5, 5) to D (0, 5) a) 20…

A: To find: What is the path length of the following path?A (0, 0) to B (5, 0) to C (5, 5) to D (0, 5)

Q: What is the last thing you should do when solving a problem? Explain.

A: To find: The last thing we should do when solving a problem. Explanation: The last thing that…

Q: 1. A dog runs back and forth between its two owners, who are walking toward one another (Figure…

A:

Q: 1. A heavy rock is dropped from rest at the top of a cliff and falls 100 m before hitting the…

A: Given The height of the cliff or the distance covered by the rock is S=100 m. The rock is at rest…

Q: What is the physical significance of the signs? Is a positive acceleration always speeding up? What…

A: As we know,  Explaining and describing the set of quantities in coordinate system is difficult.  For…

Q: swimmer swims 10 complete laps in a swimming pool. It takes  15 seconds to complete the swim.Pool is…

A: The length of pool is 30 m.  In 1 lap swimmer start from one end of pool and return to same point.…