Q d h a=1.06m b=bm d: 24m h=7.5m = 25° b A bal passes over wall with height h by a. what is V.?

Q: Q14: An arrow is shot straight up in the air at an initial speed of 15.0 m/s. After how much time is…

A: Given  Initial speed of arrow 15 m/s in upward direction  ∴  Vi = 15 m/s  Final speed of arrow…

Q: a) What is the acceleration during the first 4 seconds of motion. ( include sign ) b) What is the…

A: NOTE: According to the guidelines we are allowed to answer only the first 3 subparts. If you want to…

Q: . A stone is thrown downward from a tower with an initial velocity of 3 m/s. The height of tower is…

A:

Q: S roller coaster rapidly picks up speed as it roles down a slope. As it startx down the slope the…

A:

Q: An object is moving with constant non-zero velocity in the +x direction. The velocity versus time…

A: Given:Object moving with constant velocity in                 the +x direction. To find: Velocity…

Q: The school zone in front of your school has a posted speed limit of 25 mi/h, which is about 11 m/s.…

A:

Q: Accelerating uniformly at 2.4 m/s2, an object starts with an initial velocity v = 2 m/s to  a final…

A: Given: The acceleration of the object is 2.4 m/s2. The initial velocity of the object is 2 m/s. The…

Q: I am driving at 35 mph on a foggy day when I see a car 5 miles ahead of me stopped in the road with…

A: Given  Maxximum decelaration of car is 12 mph/s = 43200 mile/h² Distance of car initialy = 5 miles.…

Q: While bicycling, you increase your velocity from 30 km/h to 35 km/h. In the next second, you go from…

A:

Q: Captain John Stapp is often referred to as the "fastest man on Earth." In the late 1940s and early…

A: Using equation  if motion we can find the stopping distance  and stopping  time for the runner

Q: 5. In 5.0 s, a particle moving with constant acceleration along the x axis goes from x = 20 m to x =…

A:

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: The figure shows a graph of the velocity of an object as a function of time. What is the…

A: Acceleration = 20/2 = 10  ms-2  Equation  x = ut + (1/2)at2 x = 0×t + (1/2)at2 x = (1/2)at2  x =…

Q: 40. An airplane, starting from rest, moves down the runway at constant acceleration for 18 s and…

A: Given initial speed of airplane (u)=0 m/s Final speed(v)=60 m/s Time taken (t)=18 s Required Average…

Q: A pen is dropped vertically 6 ft above the ground, 1 second later, someone grab the pen before the…

A:

Q: Is this the average velocity overall? I do not want to know a specific segment but the overall…

A:

Q: An object is thrown straight up with an initial velocity of 16 m/s. a) How high does it go in…

A:

Q: A projectile is shot horizontally from a cannon with a speed of 45m/s Ir londs 225m oway from its…

A: initial horizontal velocity (u) = 45 mshorizontal distance covered by the projectile (d) = 225 m

Q: While driving south on hwy 400, Jim gets stuck travelling at 1.9 m/s behind a slow truck. He finally…

A:

Q: A squirrel has a- and y- coordinates (1.0 m, 3.5 m) at time t₁ = 0 and coordinates (4.9 m, -0.50 m)…

A:

Q: John walks 3km east, then 4km north. If it takes him 2 hours.... a) what is his average speed? b)…

A: John walks 3km east, then 4km north. If it takes him 2 hours.... a) what is his average speed? b)…

Q: A physics student is on the top of a cliff. He wishes to know how high the cliff is. He knows that…

A: Initial horizontal velocity (v) = 25.8 msHorizontal distance (d) = 30.8 m

Q: 8. Three kids took a Carousel Ride in the amusement park. Maria took spot A, Juan took spot B and…

A: The linear velocity  of body in terms radius and angular  velocity  is given by      V = w × r…

Q: The initial velocity of a jet is 230 m/s eastward. The pilot ignites the afterburners, and the jet…

A: Given value--- The initial velocity of a jet is 230 m/s eastward.  the jet accelerates eastward at…

Q: A student is throwing a snowball from a height of 42.2m and is trying to hit another student who is…

A: height of the building H = 42.2 m distance between base of the building to that of the second…

Q: 9. The acceleration of an object is given by a(t) = e-. If the object has an initial velocity of 2…

A:

Q: You travel 1000 m in 25 seconds, accelerating the whole time at a constant rate. What is the rate of…

A: Given data:  Distance traveled (d) = 1000 m Time (t) = 25 s Initial velocity (Vi) = 0 m/s Required:…

Q: 6. Scientist are developing new types of guns that might someday be used to launch satellites as if…

A: Using, Newton's equation of motion: v 2 = u2 +2a*S, v= final speed u= initial speed a= acceleration…

Q: The velocity as a function of time of a moving particle is given by v = α+ βt2, where α and β are…

A:

Q: These are “plug-in-the-number” type activities to familiarize yon with the equations that link the…

A: Given the car can change it velocity from rest to 100 kmph (i.e. ΔV = 100 kmph) in just 10 s (i.e.…

Q: This is the velocity vs time graph. I would like to see how the position vs time graph will look…

A: As the given v vs t graph look like a sin/ cos wave function.  Let guess the  velocity as a function…

Q: I have an unusual question. I am getting confused with my graphs. I completed a few graphs and one…

A: Displacement-time graphs demonstrate how a moving object's displacement changes over time. In a…

Q: 7. Prashana runs a distance of 10.5 km in 32 minutes. What is her average running velocity? O 0.33…

A: Given data: The distance traveled is d=10.5 km. The time taken is t=32 min.

Q: Can an objects acceleration be in the opposite direction to its motion? Explain.

A:

Q: Lydia fired a model rocket vertically upward into the air. Granh A

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Q: A student drives 40 km south in an attempt to get to a science fair competition before realizing he…

A: Given : Distance traveled south = 40 km Distance traveled back north = 15 km Total distance traveled…

Q: I am also having trouble solving this problem since it includes the acceleration with its initial…

A: We know from Kinematic equation that distance travelled:s=ut+12at2here given :u=10 m/sa=2.2 m/s2t=2…

Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.