The position of a squirrel running in a park is given byF=[(0.280 m/s)t + (0.0360 m/s²)t2] + (0.0190 m/s³)t³j.- Part DAt t = 4.20 s, what is the magnitude of the squirrel's velocity?Express your answer with the appropriate units.V =Submit▾ Part EValue0 =HÅSubmitRequest AnswerUnitsAt t = 4.20 s, what is the direction (in degrees counterclockwise from +x-axis) of the squirrel's velocity?Express your answer in degrees.[ΨΕΙ ΑΣΦRequest Answer90@ C?B?

Name: The position of a squirrel running in a park is given byF=[(0.280 m/s
Uploaded: 2024-03-05T11:56:34.000Z
Channel: Bartleby
Description: The position of a squirrel running in a park is given byF=[(0.280 m/s)t + (0.0360 m/s²)t2] + (0.0190 m/s³)t³j.- Part DAt t = 4.20 s, what is the magnitude of the squirrel's velocity?Express your answer with the appropriate units.V =Submit▾ Part EVal

Answered: Image /qna-images/answer/9e78fa77-d4bc-4da6-aea1-a756aeb7e9dd.jpg

Science

Physics

The position of a squirrel running in a park is given by F=[(0.280 m/s)t + (0.0360 m/s²)t2] + (0.0190 m/s³)t³j. ▾ Part D At t = 4.20 s, what is the magnitude of the squirrel's velocity? Express your answer with the appropriate units. V = Submit ▾ Part E 0 = 10 Value HA Submit Request Answer d At t = 4.20 s, what is the direction (in degrees counterclockwise from +-axis) of the squirrel's velocity? Express your answer in degrees. IVE ΑΣΦ 1 Request Answer Units STEP ? ? O

The position of a squirrel running in a park is given by F=[(0.280 m/s)t + (0.0360 m/s²)t2] + (0.0190 m/s³)t³j. ▾ Part D At t = 4.20 s, what is the magnitude of the squirrel's velocity? Express your answer with the appropriate units. V = Submit ▾ Part E 0 = 10 Value HA Submit Request Answer d At t = 4.20 s, what is the direction (in degrees counterclockwise from +-axis) of the squirrel's velocity? Express your answer in degrees. IVE ΑΣΦ 1 Request Answer Units STEP ? ? O

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter6: Motion In Two Dimensions

Section6.3: Relative Velocity

Problem 27PP

See similar textbooks

Similar questions

An unidentified flying object (UFO) is observed to travel a total distance of 19000 m, starting and ending at rest, over a duration of 4.23 s. Assuming the UFO accelerated at a constant rate to the midpoint of its journey and then decelerated at a constant rate the rest of the way, what was the magnitude of its acceleration? Express your answer in g s , where 1 g = 9.81 m/s^2.
For a water balloon launched from a 4949-meter overlook with an initial vertical velocity of 24.524.5 meters per second, the height hh in meters as a function of time tt in seconds is h=−4.9t2+24.5t+49h=−4.9t2+24.5t+49. When will the balloon land and burst?
An object has position given by the vector r = [3.0m + (6.0m/s)t] i + [2.0m - (2.0m/s2)t2] j, where quantities are in SI units. What is the speed of the object at t = 3.0s?
A helicopter is ascending vertically with a speed of 5.30 m/s. At a height of 107 m above the Earth, a package is dropped from the helicopter. How much time does it take for the package to reach the ground? [Hint: What is v0 for the package?] Express your answer to three significant figures and include the appropriate units. My Answer is that t= 4.163 but what unit is it? I tried s, m/s, min but none of them were correct. PLEASE HELP CONFIRM MY ANSWER and THE UNIT along with 4.163
A projectile is fired in the air from a height of 125 feet. Its velocity (in feet per second) t seconds after launch is f(t), given in the following table. x 0 5 10 15 20 25 30 f(x) 234 215 196 169 150 120 109 a) How fast is the projectile traveling 15 seconds after launch? feet per second. b) How far does the projectile move between 5 seconds and 25 seconds?Estimate feet. c) How far does the projectile move between 0 seconds and 15 seconds?Estimate feet.
The following conversions occur frequently in physics and are very useful. (a) Use 1 mi = 5280 ft and 1 h = 3600 s to convert 60 mph to units in ft/s. (b) The acceleration of a freely falling object is 32 ft/s2. Use 1 ft = 30.48 cm to express this acceleration in units of m/s2. (c) The density of water is 1.0 g/cm3. Convert the density to units of kg/m3. A rather ordinary middle-aged man is in the hospital for a routine check-up. The nurse writes the quantity 200 on his medical chart but forgets to include the units. Which of the following quantities could the 200 plausibly represent? (a) his mass in kilograms; (b) his height in meters; (c) his height in centimeters; (d) his height in millimeters; (e) his age in months. Prove your answer.
An auto travels going to Roxas City at a rate of 25 km/hr for 0.045 hour , then at 50 km/hr for 0.056 hr, and finally at 20 km/hr for 0.015 hour. Find the total distance covered in km and the velocity for the complete trip.
A particle moves according to a law of motion s = f(t), t ≥ 0, where t is measured in seconds and s in feet. f(t) = t3 − 15t2 + 72t (a) Find the velocity at time t. v(t) = (b) What is the velocity after 5 s? v(5) = ft/s (c) When is the particle at rest? t = s (smaller value) t = s (larger value) (d) When is the particle moving in the positive direction? (Enter your answer in interval notation.) t (e) Find the total distance traveled during the first 8 s.ft(f) Find the acceleration at time t. a(t) = Find the acceleration after 5 s. a(5) = ft/s2 (g) Graph the position, velocity, and acceleration functions for the first 8 s. (h) When, for 0 ≤ t < ∞, is the particle speeding up? (Enter your answer in interval notation.) When, for 0 ≤ t < ∞, is it slowing down? (Enter your answer in interval notation.)
Using quantitative graphical analysis, find Max's displacement from his initial position at the following clock readings: (a) 4 s (b) 6 s (c) 8 s (a): 6 m; (b): 12 m; (c): 18 m (a): 24 m; (b): 36 m; (c): 24 m (a): 24 m; (b): 36 m; (c): 60 m (a): 6 m; (b): 12 m; (c): 6 m (a): 12 m; (b): 18 m; (c): 12 m
A car is traveling at 50 mi/hmi/h down a highway. What magnitude of acceleration does it need to have to come to a complete stop in a distance of 200 ftft? Express your answer in miles per hour squared. What magnitude of acceleration does it need to stop in 200 ftft if it is traveling at 100 mi/hmi/h? Express your answer in miles per hour squared.
A truck is moving at a speed of 50 km/h, how far does it travel in 0.5 h in meters? A)2.50E3m/s B)2.00 E3nm/s C)1.00E3m/s D)4.50E3m/s
A student solving a physics problem for the velocity of an object has applied appropriate physics principles and obtained the expression v=d/t−v0, where d=35.0meter, t=9.00second, and v0 =3.00meter/second. What is the velocity v?