A dog runs away from its stationary owner towards a fire hydrant in a straight-line path....
A dog runs away from its stationary owner towards a fire hydrant in a straight-line path. It travels the 5 m to the hydrant in 2 s. After spending 5 s at the hydrant sniffing, the dog then returns to its owner along the same straight-line path, taking 3 s for the return trip. What is the average speed of the dog, in meters/second, from the time it leaves it owner to the time it returns.
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A dog runs away from its stationary owner towards a fire hydrant
in a straight-line path....
Calculus of Differential Equation please Solve the problem Suppose a postman is trying to escape from a dog chasing him. The postman starts at the origin and runs away in a straight line at a const...
Calculus of Differential Equation
please Solve the problem
Suppose a postman is trying to escape from a dog chasing him. The postman starts at the origin and runs away in a straight line at a constant speed v. Meanwhile, the dog starts at a point somewhere off that line and runs with constant speed w, instantaneously swerving in such a way that it is always heading straight toward the postman's current location. Find the equation for the curve traced out...
An 85.0 kg child runs in a straight line towards the edge of a stationary merry-go-round...
An 85.0 kg child runs in a straight line towards the edge of a stationary merry-go-round at 2.50 m/s. The merry-go-round is in the shape of a disk and has a diameter of 4.50 m and a mass of 235 kg. The child jumps onto and stays on the merry-go- round. What is the angular momentum of the child before this collision, in kg m2/s? (A) What is the moment of inertia of the merry-go-round, in kg m27 [B) What...
A horse canters away from its trainer in a straight line, moving 37 m away in...
A horse canters away from its trainer in a straight line, moving 37 m away in 9.1 s . It then turns abruptly and gallops halfway back in 1.8 s . Calculate its average speed for the entire trip. Express your answer using two significant figures. Calculate its average velocity for the entire trip, using "away from the trainer" as the positive direction. Express your answer using two significant figures.
Sam receives the kicked football on the 3 yard line and runs straight ahead towards the...
Sam receives the kicked football on the 3 yard line and runs
straight ahead towards the goal line before cutting to the right at
the 15 yard line he then runs 9 yards along the 15 yard line
directly toward the right side line before being tackled
A. What is sam’a distance traveled
B. What was Sam’s resultant displacement?
C. How many yards did Sam gain in this play (how far was the
ball advanced toward the goal line?)
The...
9. A horse canters away from its trainer in a straight line,moving 160m away in 17s....
9.
A horse canters away from its trainer in a straight
line,moving 160m away in 17s. It then turns abruptly and gallops
halfwayback in 6.8s. Calculate the (a) its average speed and (b)
itsaverage velocity for the entire trip, using "away from the
trainer"as the positive direction.
(A) Average Speed
Formula:
(B) Average Velocity
A spaceship ferrying workers to Moon Base I takes a straight-line path from the earthto the moon, a distance of 384,000 km
A spaceship ferrying workers to Moon Base I takes a straight-line path from the earthto the moon, a distance of 384,000 km. Suppose it accelerates at 20.0 m/s2 for thefirst 15.0 min. of the trip, then travels at constant speed until the last 15.0 min. whenit accelerates at –20 m/s2, just coming to rest as it reaches the moon.(a) What is the maximum speed attained?(b) What fraction of the total distance is traveled at constant speed?(c) What total time is...
A helicopter starts from rest at point A and travels along the straight-line path with a...
A helicopter starts from rest at point A and travels along the straight-line path with a constant acceleration a. If the speed v = 33 m/s when the altitude of the helicopter is h = 44 m, determine the values of r, i, o, and as measured by the tracking device at O. At this instant, 0 = 38°, and the distance d = 159 m. Neglect the small height of the tracking device above the ground. ih А d...
A cat is walking along a hallway moving away from a sleeping dog. A graph of the distance between the cat and the...
A cat is walking along a hallway moving away from a sleeping dog. A graph of the distance between the cat and the dog as a function of time is shown to the right. A physics student uses 2) Distance, meters 20 the equation "rate times time equals distance" to calculate the speed of the cat at time 6 seconds: 16 12 distance / time 16.0 m/6s=2,667 m/s. rate 8 4 (a) What, if anything, is wrong with this calculation?...
A Honda Civic travels in a straight line along a road. Its distance x from a...
A Honda Civic travels in a straight line along a road. Its distance x from a stop sign is given as a function of time t by the equation x(t)= αt2 - βt3,where α= 1.64 ms-2 β= 0.0521 ms-3 and where and calculate the average velocity of the car for the time interval: t= 2 to t=4 s.
Exercise 2.6 Constants A Honda Civic travels in a straight line along a road. Its distance...
Exercise 2.6
Constants A Honda Civic travels in a straight line along a road. Its distance z from a stop sign is given as a function of time t by the equation z(t) a-B t, where a 1.53 m/s2 and B-5 30 10 2 m/s A Honda Civic travels in a straight line along a road. Its distance z from a stop sign is given as a function of time t by the equation z(t) = α-β e. Where α...
Calculus of Differential Equation
please Solve the problem
Suppose a postman is trying to escape from a dog chasing him. The postman starts at the origin and runs away in a straight line at a constant speed v. Meanwhile, the dog starts at a point somewhere off that line and runs with constant speed w, instantaneously swerving in such a way that it is always heading straight toward the postman's current location. Find the equation for the curve traced out...
An 85.0 kg child runs in a straight line towards the edge of a stationary merry-go-round at 2.50 m/s. The merry-go-round is in the shape of a disk and has a diameter of 4.50 m and a mass of 235 kg. The child jumps onto and stays on the merry-go- round. What is the angular momentum of the child before this collision, in kg m2/s? (A) What is the moment of inertia of the merry-go-round, in kg m27 [B) What...
Sam receives the kicked football on the 3 yard line and runs
straight ahead towards the goal line before cutting to the right at
the 15 yard line he then runs 9 yards along the 15 yard line
directly toward the right side line before being tackled
A. What is sam’a distance traveled
B. What was Sam’s resultant displacement?
C. How many yards did Sam gain in this play (how far was the
ball advanced toward the goal line?)
The...
9.
A horse canters away from its trainer in a straight
line,moving 160m away in 17s. It then turns abruptly and gallops
halfwayback in 6.8s. Calculate the (a) its average speed and (b)
itsaverage velocity for the entire trip, using "away from the
trainer"as the positive direction.
(A) Average Speed
Formula:
(B) Average Velocity
A helicopter starts from rest at point A and travels along the straight-line path with a constant acceleration a. If the speed v = 33 m/s when the altitude of the helicopter is h = 44 m, determine the values of r, i, o, and as measured by the tracking device at O. At this instant, 0 = 38°, and the distance d = 159 m. Neglect the small height of the tracking device above the ground. ih А d...
A cat is walking along a hallway moving away from a sleeping dog. A graph of the distance between the cat and the dog as a function of time is shown to the right. A physics student uses 2) Distance, meters 20 the equation "rate times time equals distance" to calculate the speed of the cat at time 6 seconds: 16 12 distance / time 16.0 m/6s=2,667 m/s. rate 8 4 (a) What, if anything, is wrong with this calculation?...
Exercise 2.6
Constants A Honda Civic travels in a straight line along a road. Its distance z from a stop sign is given as a function of time t by the equation z(t) a-B t, where a 1.53 m/s2 and B-5 30 10 2 m/s A Honda Civic travels in a straight line along a road. Its distance z from a stop sign is given as a function of time t by the equation z(t) = α-β e. Where α...
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