Two circles of radii 5.5 cm and 3.3 cm respectively touch each other. What is the distance between their centres? (A) 4.4 cm (B) 8.8 cm (C) 2.2 cm (D) 8.8 or 2.2 cm

A Texas rancher wants to fence off his four-sided plot of flat land. He measures the first three sides, shown as A, B, and C in the figure below, where A = 4.20 km and 0 10c = 19⁰. 0 + D = ? km D = y + A + B + C + D = 0 C e= ? 7.5⁰ A = 4.20 km C = 3.02 km 19⁰ A X km X ° west of south B 16° W ZA N He then correctly calculates the length in kilometers and orientation in degrees west of south of the fourth side D. What is his result in kilometers and degrees west of south? D = S X B = 2.48 km E

Which one are units and explain ?

A box containing basketball equipment is sitting on a shipping pallet. The box plus the contents weighs 25 newtons​ [N], and the pallet weighs 155 newtons​ [N]. The box can be modeled as a rectangular parallelepiped and has the following​ dimensions: 3 inches​ [in] by 15 inches​ [in] by 20 inches​ [in]. Assume the pallet is also a rectangle and has the following​ dimensions: 4 feet​ [ft] by 3.5 feet​ [ft] by 0.25 feet​ [ft]. The box is sitting on the pallet in the configuration shown. You apply 9000 joules​ [J] of energy to push the box and the pallet across the floor using 160 newtons​ [N] of force. Determine how far you can push the box and​ pallet, in units of feet​ [ft]. You may ignore the friction between the court and the pallet.

Perform these operations in scientific notation with the appropriate number of significant figure 2.80*10-5 km + 1.14*105 cm.

Newton's law of universal gravitation can be expressed by the equation F = G  Mm r2 , where F is the gravitational force, M and m are masses, and r is a length. Force has the SI units kg · m/s2. What are the SI units of the proportionality constant G?

A rectangular block of wood is measured to have the dimensions 11.2 cm, 3.4 cm and 4.10 cm. Compute the volume of the block using the rules of significant figures. O 1.645 x 10² cm² a) b) 16 x 10² m² c) 1.6 x 10² cm² d) 1.60x 10² cm² Question 8 (Mandatory) (10 points) Saved 0:21

A box containing basketball equipment is sitting on a shipping pallet. The box plus the contents weighs 50.0 newtons [N], and the pallet weighs 155 newtons [N]. The box can be modeled as a rectangular parallelepiped and has the following dimensions: 3 inches [in] by 15 inches [in] by 20 inches [in]. Assume the pallet is also a rectangle and has the following dimensions: 4 feet [ft] by 3.5 feet [ft] by 0.25 feet [ft]. The box is sitting on the pallet in the configuration shown below. What is the pressure exerted by the box onto the pallet in units of pound-force per square inch [psi]? Click the icon to view the conversion table. 20 in 3 in 0.25 ft [0 15 in 3.5 ft 4 ft The pressure is psi. (Round your answer to four decimal places.)

An astronomical unit (AU) is the average distance between the Earth and the Sun, approximately 1.50 × 10° km. The speed of light is about 3.00 x 10° m/s. Express the speed of light in astronomical units per minute. Number Units

Part II. Significant Figures The significant figures in a number are all figures that are obtained from the measuring process and exclude those zeros that are included solely for the purpose of locating the decimal point. This definition will be clarified with a number of examples. Number 123 12.3 2016 2.016 2.016 X 10³ 2.01 X 10¹ 2.0 X 10³ 2 X 10³ 10³ 410 410. 4.1 X 10² 4.10 X 10² 41.0 .00159 1.59 X 10 3 0.2 Significant Figures Comments