1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Feliz [49]
3 years ago
12

f an arrow is shot upward on the moon with velocity of 35 m/s, its height (in meters) after t seconds is given by h(t)=35t−0.83t

2. (a) Find the velocity of the arrow after 3 seconds.
Physics
1 answer:
inysia [295]3 years ago
7 0

Answer:

The velocity of the arrow after 3 seconds is 30.02 m/s.

Explanation:

It is given that,

An arrow is shot upward on the moon with velocity of 35 m/s, its height after t seconds is given by the equation:

h(t)=35t-0.83t^2

We know that the rate of change of displacement is equal to the velocity of an object.

v(t)=\dfrac{dh(t)}{dt}\\\\v(t)=\dfrac{d(35t-0.83t^2)}{dt}\\\\v(t)=35-1.66t

Velocity of the arrow after 3 seconds will be :

v(t)=35-1.66t\\\\v(t)=35-1.66(3)\\\\v(t)=30.02\ m/s

So, the velocity of the arrow after 3 seconds is 30.02 m/s. Hence, this is the required solution.

You might be interested in
Was the Big Bang a loud explosion? Why?
Sholpan [36]

Answer:

bc it was a universal explosion and It started the future

Explanation:

FACTS

6 0
3 years ago
Read 2 more answers
A box of mass m = 1.80 kg is dropped from rest onto a massless, vertical spring with spring constant k = 2.00 ✕ 102 N/m that is
Rudik [331]

Answer:

spring compressed is 0.724 m

Explanation:

given data

mass = 1.80 kg

spring constant k = 2 × 10²  N/m

initial height = 2.25 m

solution

we know from conservation of energy is

mg(h+x)  = 0.5 × k × x²       ...................1

here x is compression in spring

so put here value in equation 1 we get

1.8 × 9.8 × (2.25+x)  = 0.5 × 2× 10² × x²

solve it we get

x = 0.724344

so spring compressed is 0.724 m

3 0
3 years ago
What would you have loved to press the pause button on so you could go deeper
kiruha [24]

Answer:

~Banana Fish~

3 0
3 years ago
URGENT PLEASE ANSWER THIS ASAP I WILL MARK YOU THE BRAINLIEST !!!
Svetlanka [38]

Answer:

An electrical current

Explanation:

An electrical current

4 0
2 years ago
¿Cuál es el parámetro que indica la cantidad de energía liberada en un movimiento sísmico?
artcher [175]

Answer:

Explanation:

en un movimiento sísmico?

3 0
2 years ago
Other questions:
  • The engineer determines that the machine increased at a constant rate the disk’s angular speed from 100 rad/s to 300 rad/s over
    9·1 answer
  • The power dissipated in each of two resistors is the same. The current across resistor A is triple that across resistor B. If th
    10·1 answer
  • A runner makes one lap around a 200m track of 25 s. What were the runner’s (a) average speed and (b) average velocity?
    7·1 answer
  • A spindle connects two wheels with fixed axles by a fan belt. If the effort wheel is larger than the resistance wheel, which axl
    14·1 answer
  • What is the relationship between environmental science and public policymakers?
    7·1 answer
  • If a car can go from 0 to 60 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50
    15·2 answers
  • A diamond with a mass of 45 g hangs motionless from a chain. what is the upward force of the chain on the diamond?
    5·1 answer
  • Exit ticket: A lamp is plugged into a 110 Volt electrical outlet. There is a 9 Watt LED bulb in the lamp. a. What is
    13·1 answer
  • A balloon is rubbed against a sweater. Which of the following describes the result of this interaction?(1 point)
    14·1 answer
  • Review. An electron moves in a circular path perpendicular to a constant magnetic field of magnitude 1.00 mT . The angular momen
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!