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
Dima020 [189]
3 years ago
8

Please I need help on this one kinda lost on it

Physics
1 answer:
Vanyuwa [196]3 years ago
8 0
Check the 1st 2nd 3rd and 4th boxes
You might be interested in
A 1.0-kg block moving to the right at speed 3.0 m/s collides with an identical block also moving to the right at a speed 1.0 m/s
____ [38]

Answer:

Speed of both blocks after collision is 2 m/s

Explanation:

It is given that,

Mass of both blocks, m₁ = m₂ = 1 kg

Velocity of first block, u₁ = 3 m/s

Velocity of other block, u₂ = 1 m/s

Since, both blocks stick after collision. So, it is a case of inelastic collision. The momentum remains conserved while the kinetic energy energy gets reduced after the collision. Let v is the common velocity of both blocks. Using the conservation of momentum as :

m_1u_1+m_2u_2=(m_1+m_2)v

v=\dfrac{m_1u_1+m_2u_2}{(m_1+m_2)}

v=\dfrac{1\ kg\times 3\ m/s+1\ kg\times 1\ m/s}{2\ kg}

v = 2 m/s

Hence, their speed after collision is 2 m/s.

7 0
4 years ago
If you make multiple measurements of your height, you are likely to find that the results vary by nearly half an inch in either
Verdich [7]

Answer:

Height h= 1.7 m

Explanation:

Supposing we have to find height in meter.

1 feet = 0.3048 m

1 inch = 0.0254 m

Given that:

5 feet

= 5×0.3048

= 1.524 m

and 7 inch = 7×0.0254= 0.1778 m

Therefore total height of a man in meter

5 feet 7 inch = 1.5424+0.1778 =1.7 m

Height h= 1.7 m

3 0
4 years ago
A(n) _____ represents the U.S. in a foreign country.
tensa zangetsu [6.8K]
Ambassador i believe if not then embassy
4 0
3 years ago
Read 2 more answers
Divers in Acapulco dive from a cliff that is 65 m high. If the rocks
Alex777 [14]

Answer:

Cool question! First step is to find the time taken to fall

57

m

, then to find the horizontal velocity needed to cover

24

m

in that time. In this case the answer is

7.0

m

s

−

1

.

Explanation:

This is a less typical projectile motion question, but it's still projectile motion. This means the horizontal and vertical directions can be considered separately. We assume that the initial vertical velocity,

u

y

=

0

m

s

−

1

, and we are trying to find the required initial horizontal velocity,

u

x

.

To find the time taken to fall

57

m

:

s

=

u

t

+

1

2

a

t

2

Since

u

=

0

, we can rearrange this to:

t

=

√

2

s

a

=

√

2

⋅

57

9.8

=

3.41

s

The horizontal velocity will be constant (ignoring air resistance), so to cover

24

m

in

3.41

s

will be given by:

v

=

s

t

→

u

x

=

24

3.41

=

7.0

m

s

−

1

Answer link

5 0
2 years ago
What is the moment of inertia i of this assembly about the axis through which it is pivoted? Express the moment of inertia in te
charle [14.2K]

Answer:

I = x^2(m1+m2+1/3mr)

Explanation:

8 0
3 years ago
Read 2 more answers
Other questions:
  • What is the uses of echoes?<br>​
    9·1 answer
  • Symbols for components of electrical circuit​
    10·1 answer
  • Define Solute and Solvent?
    10·1 answer
  • A pivot at one end supports a beam of uniform density. Archimedes attaches a cable to the beam 1.25 m from its pivoted end. The
    14·1 answer
  • Which bulb will lit?
    9·2 answers
  • When Missourians carve their initials into the bark of a tree, the damage leaves the tree open to ____________________.
    8·1 answer
  • A well-insulated bucket of negligible heat capacity contains 129 g of ice at 0°C.
    10·1 answer
  • A firefighting crew uses a water cannon that shoots water at 25.0 m/s at a fixed angle of 53.0° above the horizontal. The fire-f
    5·1 answer
  • What regions contain the largest concentration of oil wells
    13·1 answer
  • Multidimensional development means that:
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!