• ## A particle moves along the x-axis so that at any time t, measured in seconds, its position is given by s(t) = 4sin(t) – cos(2t), measured in feet. What is the acceleration of the particle at time t = 0 seconds?

Search Posted in Mathematics Please login to view the answer Login Join us Related Questions Posted in Mathematics A square painting is surrounded by a frame. the outside edges of the frame are x inches in length, and the frame is 3 inches thick. What is the total area of the frame? A)-12x+36 B)12x-36 C)x^2+12x+36

• ## 1. How many inches are there in a mile? 2 How many seconds are in a year? 3. How many meters are in a light-year if light is 300.000.000m/sec? 4. An adult mosquito’s lifespan is about 16 days. How many minutes is that? 5. How many years of your life will you be sleep if you live 3.95 x 10 7. (it is an exponent) minutes and average 8 hours sleep/night. 6. How many atoms are in a kilogram of silver, if there are 6.02 x 10 23(it’s an exponent) atoms per mole and silver wights 107.9 grams/mole? 7. If there are three teaspoon in a tablespoon, 16 tablespoon in a cup, 2 cups in a pint, and 8 pints in a gallon. How many tablespoon are in a 1000 gallon swimming pool? 8. Aroldis Chapman of the Cincinnati Reds can throw a fastball at 101 mph. The mound is 60 feet from home plate, how long will it take a wild pitch to hit the batter? 9. If the density of gold is 19.30g/ml and i have a gold bar with the dimensions of 65mm x 32mm x 14mm. One millimiter has the dimensions of 1cm 3

Search Posted in Mathematics Please login to view the answer Login Join us Related Questions Posted in Mathematics The value of a particular item can be modeled by P(t) = P0(a)t where P is in dollars and t is the number of years since the item was purchased. Suppose the value of the item increases

• ## The graph shows the distance a cyclist traveled in yards (y) as a function of time in seconds (x). The graph is divided into four segments; labeled P, Q, R, and S, respectively. Which segment shows the cyclist returning to the starting point? P Q R S

Search Posted in Mathematics Please login to view the answer Login Join us Related Questions Posted in Mathematics What is the domain of the composite function G ( F ( x ) ) Please login to view the answer Login Join us Posted in Mathematics Which words in the sentence are adverbs? Sometimes the meadow

• ## A mule deer can run one over four of a mile in 25 seconds. At this rate, which expression can be used to determine how fast a mule deer runs in miles per hour? twenty-five seconds over one-fourth mile = 36 miles per hour one-fourth mile over twenty-five seconds = 36 miles per hour one-fourth mile over twenty-five seconds = 100 miles per hour twenty-five seconds over one-fourth mile = 100 miles per hour

A mule deer can run one over four of a mile in 25 seconds. At this rate, which expression can be used to determine how fast a mule deer runs in miles per hour? twenty-five seconds over one-fourth mile = 36 miles per hour one-fourth mile over twenty-five seconds = 36 miles per hour one-fourth

• ## A parachutist’s rate during a free fall reaches 135 miles per hour. What is this rate in feet per second? At this rate, how many feet will the parachutist fall during 2 seconds of free fall? In your computations, use the fact that 1 mile is equal to 5280 feet. Do not round your answers. THANK YOU!!!

Answer: Change of elevation =   163. Step-by-step explanation: Given : 134 feet below sea level to 29 feet above sea level? To find : What is the change in elevation. Solution : We have given Below sea level = 134 feet . Above sea level = 29 feet. Change of elevation =  Above level

• ## Once a week you babysit your neighbor’s toddler after school, usually going to a local playground. You notice that each swing on the swing set takes about the same amount of time, about 2.2 seconds. Use the pendulum formula below to find out how long the swing is. Round your answer to the tenths place.

Step 1 First situation when a ladder is leaning against a wall Let x——-> the distance of the bottom of the ladder from the wall L——-> the length of the ladder Find the length of the ladder Applying the Pythagorean Theorem ——> equation Step 2 Second situation when the ladder will...

• ## As a certain object falls, its position s (in meters) above ground after t seconds is given by s(t)=20-5t^2. Whats the average velocity of the object on the interval from t=1 to the time .5 seconds later?? from t=1 to the time .1 seconds later?

Answer: The spring constant of the spring is 11.65 N/m Explanation: It is given that, a 50 g mass hanger hangs motionless from a partially stretched spring. When a 65 gram mass is added to the hanger, the spring stretch increases by 10 cm. Initial mass, m = 50 g = 0.005 kg Final mass,

• ## The position of a particle moving along the x axis varies in time according to the expression x = 4t 2, where x is in meters and t is in seconds. Evaluate its position at the following times. (a)t=2.10s ______m (b)t=2.10s +Δt xf=________m (c)Evaluate the limit of Δx/Δt as Δt approaches zero to find the velocity at t = 2.10 s. _______m/s …?

Answer: The spring constant of the spring is 11.65 N/m Explanation: It is given that, a 50 g mass hanger hangs motionless from a partially stretched spring. When a 65 gram mass is added to the hanger, the spring stretch increases by 10 cm. Initial mass, m = 50 g = 0.005 kg Final mass,