Answer:
Explanation:
8.97 x 10⁵
= 8.97 x 10² x 10⁵
= 8.97 x 10² x 10⁵cm /(10³ms)²
= 8.97 x10 x 10⁶cm / 10⁶ ms²
= .897 x 10²
Answer:
The first seven metals in the periodic table are lithium, beryllium, sodium, magnesium, aluminium, potassium and calcium, known collectively as the “lightest metals”
Explanation:
<h2><u>CHECK THE OPTIONS AND ANSWER ANY ONE IF SINGE CHOICE..</u></h2>
Mass O = 1.187 - 1.054 = 0.133 g
<span>Moles O = 0.133 g / 16 g/mol = 0.00831 </span>
<span>Moles metal = 2 x 0.00831 = 0.0166 </span>
<span>Atomic mass metal = 1.054 g / 0.0166 = 63.4 g/mol </span>
<span>( this is the atomic mass of Cu) </span>
<span>so the metal oxide is Cu2O</span>
Answer:
100N
Explanation:
Given parameters:
Mass of the bowling ball = 20kg
Acceleration = 5m/s²
Unknown:
Amount of force applied = ?
Solution:
To solve this problem, we apply newton's second law of motion.
Force = mass x acceleration
Now insert the parameters and solve;
Force = 20 x 5 = 100N