Physics Homework Aid

Physics holds significant importance among the natural sciences, elucidating life's wonders and ranking among the most challenging subjects to master.

QuestionAI is a rich and user-friendly physics problem solver for novice physicists, enabling exploration of atomic properties and interactions, alongside molecular trajectories under various forces. Furthermore, you can delve into the mysteries concealed amidst galaxies with fellow physics enthusiasts. Boldly pose your conjectures and queries to the AI, and authoritative answers will readily emerge.

A resistor is said to follow Ohm's law if: the current that flows through it is directly __ to the potential difference This means if you double the potential difference the current will also __

question 1 of 5 Your thick te xtboo k for as a mass o f 5 kg. If yo ur book falls off th e table with an accele ration of 10m/s^2 Wh at is t he for ce acting on the book ? 10 N 50 N 0.5 N 2N

MULTIPLE CHOICE QUESTION The only portion of the electromagnetic spectrum visible to the human eye is the __ microwaves infrared waves light waves heat waves

5 A particle Pof mass m=0.3kg moves under the action of a single constant force F newtons. The acceleration of P is a=(5i+7j)ms^-2 (2 marks) a Find the angle between the acceleration and i. Force, mass and acceleration are related by the formula F=ma b Find the magnitude of F. (3 marks)

NIGER STATE COLLEGE OF AGRICULTURE, MOKW A PRE-ND SCIENCES DEPARTMENT FIRST SEMESTER EXAMINATION 2022/2023 SESSION COURSE CODE: CBPO11 COURSE TITLE : MECHANICS, HEAT, AND PROPERTIES OF MATER TIME: 3 HRS DATE: Monday, 07-08-2023 EXAMINER: AHMAD ABUBAKAR SOJE Instruction: answer any Five Questions __ 1. (a) Define the terms fundamental and derived quantities (b) Mentions four (4 each fundamental and derived quantities with their units (c) List four (4)each examples of scalar and vector quantities __ 2. (a) Explain terms uniform velocity acceleration and deceleration (b) A body moves from rest with an acceleration of 3ms^-2 to covered a distance of 70 m. Calculate its velocity. (c) An object thrown vertically upward from ground level to a height of 90m. How long does it take to reach the height? (Assumeg=10ms^-2) 3. (a) State the following Laws (i) Second Newton's law of motion (ii) Law of conservation of linear momentum (b) A ball of mass 0.7 Kg, travelling with a velocity of 125ms^-1 collides with another ball of mass 1.2 Kg moving with 85ms^-1 in the same direction . If they stick together after the impact, calculate their common velocity. (c) Define impulse of a force? A force of 50 N acts for 25s, calculate the change in momentum 4. (a) Explain the term moment of a force and State principles of moment (b) A uniform metre rule is found to balance horizontally at the 48cm mark. When a body of mass 60g is suspended at the 5cm mark , the balance point is found to be the 30cm mark. Calculate the mass of the metre rule.