Answer:
E = 2.5 x 10⁻¹⁴ J
Explanation:
given,
diameter = 1.33 x 10⁻¹⁴ m
mass = 6.64 x 10⁻²⁷ kg
wavelength is equal to diameter
de broglie wavelength equal to diameter



v = 7.5 x 10⁶ m/s
Kinetic energy is equal to


E = 2.5 x 10⁻¹⁴ J
Newton’s first law of inertia
Less force, same work
Answer: Iron combines with oxygen to produce rust, which is the compound named iron oxide.
Explanation: Rusting is an oxidation reaction. The iron reacts with water and oxygen to form hydrated iron(III) oxide, which we see as rust.
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Answer:False
Explanation:
Turn the key to lock is not advisable as it lock the steering wheel and may create a dangerous situation.
Following steps can be taken in this situation
- Try to press the brake to stop the vehicle
- Shift gear to neutral in order to cease the acceleration of car.
- Try to lift the gas pedal in order to decrease the velocity of car.
Answer:
B. Landscape B
Explanation:
Shale is fine sediment pressed together to form rock.
Sandstone is larger (sand-grain-sized) sediment cemented together to form rock.
Shale erodes faster, as evidenced by the second attachment. That attachment shows erosion of a rock face consisting of interbedded shale and sandstone. The shale has receded significantly, leaving the sandstone layers with space between them.